./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-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_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/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_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/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_396e4c21-460f-4d12-b31e-66ef23249fa1/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 1458fd967f166449dcd0c1fc510bea9553535c02ec88e668cbb5136eb3fc0354 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:31:29,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:31:29,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:31:29,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:31:29,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:31:29,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:31:29,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:31:29,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:31:29,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:31:29,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:31:29,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:31:29,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:31:29,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:31:29,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:31:29,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:31:29,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:31:29,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:31:29,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:31:29,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:31:29,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:31:29,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:31:29,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:31:29,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:31:29,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:31:29,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:31:29,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:31:29,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:31:29,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:31:29,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:31:29,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:31:29,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:31:29,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:31:29,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:31:29,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:31:29,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:31:29,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:31:29,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:31:29,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:31:29,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:31:29,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:31:29,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:31:29,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 18:31:29,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:31:29,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:31:29,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:31:29,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:31:29,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:31:29,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:31:29,920 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:31:29,920 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:31:29,920 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:31:29,920 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:31:29,920 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:31:29,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:31:29,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:31:29,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:31:29,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:31:29,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:31:29,923 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:31:29,923 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_396e4c21-460f-4d12-b31e-66ef23249fa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458fd967f166449dcd0c1fc510bea9553535c02ec88e668cbb5136eb3fc0354 [2021-12-06 18:31:30,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:31:30,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:31:30,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:31:30,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:31:30,123 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:31:30,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2021-12-06 18:31:30,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/data/d9213d786/4b2b6259017242408f8d0d55e248839b/FLAG0bfdb1e25 [2021-12-06 18:31:30,572 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:31:30,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/sv-benchmarks/c/termination-memory-alloca/Toulouse-BranchesToLoop-alloca.i [2021-12-06 18:31:30,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/data/d9213d786/4b2b6259017242408f8d0d55e248839b/FLAG0bfdb1e25 [2021-12-06 18:31:30,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/data/d9213d786/4b2b6259017242408f8d0d55e248839b [2021-12-06 18:31:30,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:31:30,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:31:30,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:31:30,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:31:30,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:31:30,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64143da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30, skipping insertion in model container [2021-12-06 18:31:30,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:31:30,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:31:30,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:31:30,819 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:31:30,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:31:30,862 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:31:30,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30 WrapperNode [2021-12-06 18:31:30,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:31:30,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:31:30,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:31:30,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:31:30,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,898 INFO L137 Inliner]: procedures = 110, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2021-12-06 18:31:30,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:31:30,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:31:30,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:31:30,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:31:30,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:31:30,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:31:30,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:31:30,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:31:30,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (1/1) ... [2021-12-06 18:31:30,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:30,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:30,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:31:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:31:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:31:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:31:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:31:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:31:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:31:31,052 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:31:31,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:31:31,178 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:31:31,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:31:31,184 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:31:31,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:31:31 BoogieIcfgContainer [2021-12-06 18:31:31,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:31:31,187 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:31:31,187 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:31:31,189 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:31:31,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:31:31,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:31:30" (1/3) ... [2021-12-06 18:31:31,191 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31fabbd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:31:31, skipping insertion in model container [2021-12-06 18:31:31,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:31:31,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:31:30" (2/3) ... [2021-12-06 18:31:31,191 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31fabbd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:31:31, skipping insertion in model container [2021-12-06 18:31:31,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:31:31,192 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:31:31" (3/3) ... [2021-12-06 18:31:31,192 INFO L388 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-alloca.i [2021-12-06 18:31:31,226 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:31:31,226 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:31:31,226 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:31:31,226 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:31:31,226 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:31:31,226 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:31:31,226 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:31:31,226 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:31:31,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:31,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 18:31:31,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:31:31,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:31:31,254 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 18:31:31,254 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:31:31,254 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:31:31,254 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:31,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 18:31:31,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:31:31,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:31:31,255 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 18:31:31,255 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:31:31,260 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 4#L553true assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 11#L558-4true [2021-12-06 18:31:31,261 INFO L793 eck$LassoCheckResult]: Loop: 11#L558-4true call main_#t~mem8#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 < 100; 6#L558true assume !main_#t~short10#1; 8#L558-2true assume !!main_#t~short10#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;call main_#t~mem11#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 + main_#t~mem12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem13#1 - main_#t~mem14#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~mem14#1; 11#L558-4true [2021-12-06 18:31:31,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:31,265 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-06 18:31:31,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:31,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106464238] [2021-12-06 18:31:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:31,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,392 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,426 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2021-12-06 18:31:31,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:31,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53317885] [2021-12-06 18:31:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:31,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:31,476 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 18:31:31,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:31:31,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53317885] [2021-12-06 18:31:31,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53317885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:31:31,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:31:31,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:31:31,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965171717] [2021-12-06 18:31:31,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:31:31,481 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 18:31:31,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:31:31,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:31:31,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:31:31,506 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:31,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:31:31,529 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-12-06 18:31:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:31:31,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-12-06 18:31:31,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 18:31:31,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 6 states and 7 transitions. [2021-12-06 18:31:31,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-06 18:31:31,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-06 18:31:31,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-12-06 18:31:31,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:31:31,539 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-12-06 18:31:31,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-12-06 18:31:31,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-12-06 18:31:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 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 18:31:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-12-06 18:31:31,556 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-12-06 18:31:31,556 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-12-06 18:31:31,556 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:31:31,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-12-06 18:31:31,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 18:31:31,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:31:31,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:31:31,557 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 18:31:31,557 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:31:31,557 INFO L791 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 30#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 31#L558-4 [2021-12-06 18:31:31,557 INFO L793 eck$LassoCheckResult]: Loop: 31#L558-4 call main_#t~mem8#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 < 100; 34#L558 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 < 100; 35#L558-2 assume !!main_#t~short10#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;call main_#t~mem11#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 + main_#t~mem12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem13#1 - main_#t~mem14#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~mem14#1; 31#L558-4 [2021-12-06 18:31:31,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:31,558 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-12-06 18:31:31,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:31,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479452354] [2021-12-06 18:31:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:31,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,580 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:31,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:31,598 INFO L85 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2021-12-06 18:31:31,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:31,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586504870] [2021-12-06 18:31:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:31,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,621 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:31,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:31,640 INFO L85 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2021-12-06 18:31:31,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:31,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050320531] [2021-12-06 18:31:31,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:31,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:31,700 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:32,511 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:31:32,511 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:31:32,511 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:31:32,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:31:32,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:31:32,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:32,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:31:32,512 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:31:32,512 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration2_Lasso [2021-12-06 18:31:32,512 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:31:32,512 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:31:32,528 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 18:31:32,532 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 18:31:32,534 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 18:31:32,536 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 18:31:32,537 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 18:31:32,539 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 18:31:32,540 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 18:31:32,541 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 18:31:32,898 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 18:31:32,900 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 18:31:32,903 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 18:31:32,904 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 18:31:32,906 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 18:31:32,907 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 18:31:32,908 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 18:31:32,909 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 18:31:32,911 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 18:31:33,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:31:33,198 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:31:33,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:31:33,201 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 18:31:33,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:33,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:31:33,237 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 18:31:33,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:31:33,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:31:33,275 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 18:31:33,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:31:33,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:31:33,311 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 18:31:33,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:31:33,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:31:33,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:31:33,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:33,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:31:33,341 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 18:31:33,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:31:33,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:31:33,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:31:33,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:31:33,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:31:33,370 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 18:31:33,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:31:33,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:31:33,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:31:33,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:31:33,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,397 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:31:33,401 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 18:31:33,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:33,430 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,431 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:31:33,432 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 18:31:33,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:31:33,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,466 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:31:33,467 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 18:31:33,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:31:33,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,500 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:31:33,501 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 18:31:33,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 18:31:33,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,535 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:31:33,536 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 18:31:33,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 18:31:33,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,584 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:31:33,585 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 18:31:33,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:31:33,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,630 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:31:33,631 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 18:31:33,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 18:31:33,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,663 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:31:33,664 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 18:31:33,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:33,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:33,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,694 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 18:31:33,695 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 18:31:33,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:33,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:33,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:33,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:33,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:33,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:33,710 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:31:33,719 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 18:31:33,720 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 18:31:33,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:33,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:33,730 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:33,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 18:31:33,731 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:31:33,743 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:31:33,743 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:31:33,743 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_1 + 199 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 - 1 >= 0] [2021-12-06 18:31:33,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 18:31:33,894 INFO L297 tatePredicateManager]: 34 out of 40 supporting invariants were superfluous and have been removed [2021-12-06 18:31:33,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:33,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 18:31:33,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:31:33,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-12-06 18:31:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:34,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 18:31:34,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:31:34,095 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 18:31:34,098 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:31:34,098 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:34,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 14 transitions. Complement of second has 7 states. [2021-12-06 18:31:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 18:31:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-12-06 18:31:34,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 3 letters. [2021-12-06 18:31:34,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:31:34,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-06 18:31:34,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:31:34,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-06 18:31:34,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:31:34,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-12-06 18:31:34,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 18:31:34,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2021-12-06 18:31:34,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-12-06 18:31:34,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-06 18:31:34,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-12-06 18:31:34,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:31:34,151 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-06 18:31:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-12-06 18:31:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-12-06 18:31:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-12-06 18:31:34,152 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-06 18:31:34,152 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-12-06 18:31:34,152 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 18:31:34,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-12-06 18:31:34,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 18:31:34,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:31:34,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:31:34,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 18:31:34,153 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:31:34,153 INFO L791 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 257#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 258#L558-4 [2021-12-06 18:31:34,153 INFO L793 eck$LassoCheckResult]: Loop: 258#L558-4 call main_#t~mem8#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 < 100; 261#L558 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 < 100; 262#L558-2 assume !!main_#t~short10#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;call main_#t~mem11#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 + main_#t~mem12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem13#1 - main_#t~mem14#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem13#1;havoc main_#t~mem14#1; 258#L558-4 [2021-12-06 18:31:34,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:34,153 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-06 18:31:34,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:34,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941328201] [2021-12-06 18:31:34,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:34,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:34,166 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:34,176 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:34,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 2 times [2021-12-06 18:31:34,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:34,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393123301] [2021-12-06 18:31:34,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:34,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:34,186 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:34,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:34,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:34,208 INFO L85 PathProgramCache]: Analyzing trace with hash 889511698, now seen corresponding path program 1 times [2021-12-06 18:31:34,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:31:34,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698171247] [2021-12-06 18:31:34,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:31:34,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:31:34,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 18:31:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:34,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:31:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:31:34,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:31:35,328 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:31:35,329 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:31:35,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:31:35,329 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:31:35,329 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:31:35,329 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:35,329 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:31:35,329 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:31:35,329 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-alloca.i_Iteration3_Lasso [2021-12-06 18:31:35,329 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:31:35,329 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:31:35,332 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 18:31:35,333 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 18:31:35,334 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 18:31:35,335 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 18:31:35,336 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 18:31:35,619 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 18:31:35,620 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 18:31:35,621 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 18:31:35,623 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 18:31:35,625 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 18:31:35,626 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 18:31:35,627 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 18:31:35,629 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 18:31:35,630 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 18:31:35,631 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 18:31:35,632 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 18:31:35,633 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 18:31:35,635 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 18:31:35,876 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:31:35,876 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:31:35,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:35,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:35,877 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:35,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 18:31:35,879 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 18:31:35,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:35,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:31:35,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:35,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:35,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:35,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:31:35,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:31:35,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:35,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 18:31:35,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:35,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:35,907 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:35,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 18:31:35,908 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 18:31:35,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:35,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:31:35,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:35,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:35,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:35,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:31:35,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:31:35,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:35,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 18:31:35,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:35,936 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:35,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 18:31:35,938 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 18:31:35,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:35,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:35,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:35,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:35,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:35,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:35,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:35,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:35,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:35,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:35,968 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:35,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 18:31:35,969 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 18:31:35,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:35,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:31:35,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:35,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:35,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:35,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:31:35,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:31:35,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:35,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:35,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:35,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:35,997 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:35,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 18:31:35,999 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 18:31:36,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:36,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,029 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 18:31:36,030 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 18:31:36,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 18:31:36,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,059 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 18:31:36,060 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 18:31:36,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 18:31:36,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,103 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 18:31:36,104 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 18:31:36,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 18:31:36,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,136 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 18:31:36,137 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 18:31:36,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 18:31:36,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,167 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 18:31:36,171 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 18:31:36,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 18:31:36,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,211 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 18:31:36,212 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 18:31:36,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 18:31:36,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,241 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 18:31:36,243 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 18:31:36,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 18:31:36,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,271 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 18:31:36,272 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 18:31:36,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:31:36,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 18:31:36,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,302 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 18:31:36,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:31:36,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:31:36,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:31:36,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:31:36,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:31:36,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:31:36,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:31:36,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:31:36,326 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 18:31:36,326 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 18:31:36,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:31:36,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:31:36,327 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:31:36,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 18:31:36,328 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:31:36,336 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:31:36,336 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:31:36,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2 + 199 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 - 1 >= 0] [2021-12-06 18:31:36,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 18:31:36,525 INFO L297 tatePredicateManager]: 34 out of 40 supporting invariants were superfluous and have been removed [2021-12-06 18:31:36,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:31:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:36,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-06 18:31:36,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:31:36,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-12-06 18:31:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:31:36,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 18:31:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:31:36,682 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 18:31:36,682 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 18:31:36,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:36,721 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 10 transitions. Complement of second has 7 states. [2021-12-06 18:31:36,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 18:31:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:31:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2021-12-06 18:31:36,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2021-12-06 18:31:36,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:31:36,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-06 18:31:36,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:31:36,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-06 18:31:36,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:31:36,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2021-12-06 18:31:36,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:31:36,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2021-12-06 18:31:36,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:31:36,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:31:36,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:31:36,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:31:36,724 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:31:36,724 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:31:36,724 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:31:36,724 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 18:31:36,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:31:36,724 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:31:36,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 18:31:36,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:31:36 BoogieIcfgContainer [2021-12-06 18:31:36,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:31:36,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:31:36,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:31:36,729 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:31:36,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:31:31" (3/4) ... [2021-12-06 18:31:36,731 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:31:36,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:31:36,732 INFO L158 Benchmark]: Toolchain (without parser) took 6138.96ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 71.7MB in the beginning and 48.5MB in the end (delta: 23.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-12-06 18:31:36,732 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:31:36,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.48ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 79.9MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:31:36,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.25ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:31:36,733 INFO L158 Benchmark]: Boogie Preprocessor took 21.92ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 76.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:31:36,733 INFO L158 Benchmark]: RCFGBuilder took 264.48ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 65.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:31:36,734 INFO L158 Benchmark]: BuchiAutomizer took 5542.20ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 65.9MB in the beginning and 48.5MB in the end (delta: 17.4MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2021-12-06 18:31:36,734 INFO L158 Benchmark]: Witness Printer took 2.27ms. Allocated memory is still 132.1MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:31:36,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.48ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 79.9MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.25ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.92ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 76.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.48ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 65.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5542.20ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 65.9MB in the beginning and 48.5MB in the end (delta: 17.4MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 2.27ms. Allocated memory is still 132.1MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z][z] + 199 and consists of 5 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y][y] + 199 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 15 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital335 mio100 ax105 hnf100 lsp89 ukn59 mio100 lsp35 div100 bol100 ite100 ukn100 eq193 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 18:31:36,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 18:31:36,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396e4c21-460f-4d12-b31e-66ef23249fa1/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