./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc --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 5874eb83dea617c97f28746e1359ec67eb979d702b31dfbd0eb177fa26bd5d73 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:53:13,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:53:13,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:53:13,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:53:13,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:53:13,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:53:13,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:53:13,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:53:13,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:53:13,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:53:13,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:53:13,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:53:13,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:53:13,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:53:13,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:53:13,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:53:13,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:53:13,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:53:13,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:53:13,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:53:13,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:53:13,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:53:13,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:53:13,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:53:13,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:53:13,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:53:13,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:53:13,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:53:13,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:53:13,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:53:13,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:53:13,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:53:13,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:53:13,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:53:13,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:53:13,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:53:13,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:53:13,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:53:13,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:53:13,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:53:13,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:53:13,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:53:13,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:53:13,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:53:13,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:53:13,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:53:13,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:53:13,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:53:13,931 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:53:13,931 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:53:13,931 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:53:13,932 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:53:13,932 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:53:13,932 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:53:13,933 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:53:13,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:53:13,933 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:53:13,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:53:13,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:53:13,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:53:13,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:53:13,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:53:13,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:53:13,935 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:53:13,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:53:13,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:53:13,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:53:13,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:53:13,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:53:13,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:53:13,938 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:53:13,939 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_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5874eb83dea617c97f28746e1359ec67eb979d702b31dfbd0eb177fa26bd5d73 [2022-11-02 20:53:14,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:53:14,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:53:14,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:53:14,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:53:14,272 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:53:14,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2022-11-02 20:53:14,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/data/4e65da067/5db7f26c67ff490aa46d3627a6a9ec78/FLAG5116eb796 [2022-11-02 20:53:14,877 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:53:14,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/sv-benchmarks/c/termination-15/cstrspn_reverse_alloca.i [2022-11-02 20:53:14,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/data/4e65da067/5db7f26c67ff490aa46d3627a6a9ec78/FLAG5116eb796 [2022-11-02 20:53:15,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/data/4e65da067/5db7f26c67ff490aa46d3627a6a9ec78 [2022-11-02 20:53:15,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:53:15,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:53:15,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:15,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:53:15,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:53:15,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147c7266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15, skipping insertion in model container [2022-11-02 20:53:15,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:53:15,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:53:15,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:53:15,605 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:53:15,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:53:15,719 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:53:15,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15 WrapperNode [2022-11-02 20:53:15,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:53:15,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:53:15,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:53:15,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:53:15,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,805 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-02 20:53:15,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:53:15,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:53:15,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:53:15,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:53:15,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:53:15,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:53:15,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:53:15,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:53:15,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (1/1) ... [2022-11-02 20:53:15,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:15,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:15,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:15,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:53:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:53:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:53:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:53:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:53:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:53:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:53:16,066 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:53:16,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:53:16,242 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:53:16,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:53:16,249 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:53:16,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:16 BoogieIcfgContainer [2022-11-02 20:53:16,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:53:16,253 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:53:16,253 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:53:16,258 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:53:16,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:53:16,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:53:15" (1/3) ... [2022-11-02 20:53:16,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db1e237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:53:16, skipping insertion in model container [2022-11-02 20:53:16,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:53:16,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:15" (2/3) ... [2022-11-02 20:53:16,260 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5db1e237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:53:16, skipping insertion in model container [2022-11-02 20:53:16,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:53:16,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:16" (3/3) ... [2022-11-02 20:53:16,262 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn_reverse_alloca.i [2022-11-02 20:53:16,323 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:53:16,324 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:53:16,324 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:53:16,324 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:53:16,324 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:53:16,324 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:53:16,325 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:53:16,325 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:53:16,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:16,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-02 20:53:16,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:53:16,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:53:16,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:53:16,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:53:16,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:53:16,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:16,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-02 20:53:16,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:53:16,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:53:16,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:53:16,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:53:16,387 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 4#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 8#L369-4true [2022-11-02 20:53:16,387 INFO L750 eck$LassoCheckResult]: Loop: 8#L369-4true call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 6#L372-5true assume !true; 5#L372-6true call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 17#L374true assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 9#L369-3true cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 8#L369-4true [2022-11-02 20:53:16,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-02 20:53:16,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:16,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102472210] [2022-11-02 20:53:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:16,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:16,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2022-11-02 20:53:16,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:16,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62973349] [2022-11-02 20:53:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:16,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:53:16,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62973349] [2022-11-02 20:53:16,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62973349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:53:16,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:53:16,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:53:16,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348828094] [2022-11-02 20:53:16,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:53:16,835 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:53:16,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:53:16,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:53:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:53:16,911 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:53:16,918 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2022-11-02 20:53:16,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-02 20:53:16,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-02 20:53:16,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2022-11-02 20:53:16,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-02 20:53:16,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-02 20:53:16,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2022-11-02 20:53:16,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:53:16,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-02 20:53:16,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2022-11-02 20:53:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-02 20:53:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-02 20:53:16,960 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-02 20:53:16,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:53:16,968 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-02 20:53:16,968 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:53:16,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-02 20:53:16,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-02 20:53:16,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:53:16,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:53:16,972 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-02 20:53:16,972 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:16,973 INFO L748 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 45#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 52#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 46#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 47#L369-4 [2022-11-02 20:53:16,973 INFO L750 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 53#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 50#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 51#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 55#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 48#L372-6 call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 49#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 54#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 47#L369-4 [2022-11-02 20:53:16,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:16,978 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2022-11-02 20:53:16,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:16,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983110671] [2022-11-02 20:53:16,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:17,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:17,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2022-11-02 20:53:17,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:17,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675189528] [2022-11-02 20:53:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:17,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:17,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:17,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:17,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:17,118 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2022-11-02 20:53:17,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:17,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882740968] [2022-11-02 20:53:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:17,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:17,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:17,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:18,584 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:53:18,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:53:18,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:53:18,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:53:18,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:53:18,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:18,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:53:18,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:53:18,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration2_Lasso [2022-11-02 20:53:18,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:53:18,587 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:53:18,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:18,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,458 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:19,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:20,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:53:20,411 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:53:20,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:53:20,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:53:20,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,498 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:53:20,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:20,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:20,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:20,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:53:20,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:20,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,650 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:53:20,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:20,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:53:20,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:20,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:53:20,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:20,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,858 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:53:20,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:53:20,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:20,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:20,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:20,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-02 20:53:20,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:20,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:20,961 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:20,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:53:20,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:20,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:20,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:20,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:20,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:20,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:20,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:20,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:20,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:21,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:21,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:21,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:21,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:21,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:53:21,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:21,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:21,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:21,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:21,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:21,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:21,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:21,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:21,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:21,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:21,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:21,087 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:21,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:53:21,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:21,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:21,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:21,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:21,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:21,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:21,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:21,145 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:53:21,207 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-02 20:53:21,207 INFO L444 ModelExtractionUtils]: 21 out of 52 variables were initially zero. Simplification set additionally 28 variables to zero. [2022-11-02 20:53:21,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:21,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:21,214 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:21,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:53:21,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:53:21,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:53:21,256 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:53:21,256 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 + 2*ULTIMATE.start_cstrspn_~sc1~0#1.offset Supporting invariants [] [2022-11-02 20:53:21,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:21,358 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2022-11-02 20:53:21,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:21,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:53:21,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:21,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:53:21,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:21,646 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:53:21,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-11-02 20:53:21,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Result 21 states and 28 transitions. Complement of second has 4 states. [2022-11-02 20:53:21,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:53:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2022-11-02 20:53:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-11-02 20:53:21,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-02 20:53:21,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:21,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2022-11-02 20:53:21,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:21,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2022-11-02 20:53:21,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:21,743 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-11-02 20:53:21,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:53:21,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2022-11-02 20:53:21,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-02 20:53:21,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 20:53:21,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-02 20:53:21,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:53:21,745 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-02 20:53:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-02 20:53:21,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-02 20:53:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2022-11-02 20:53:21,748 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-02 20:53:21,748 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-02 20:53:21,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:53:21,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2022-11-02 20:53:21,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:53:21,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:53:21,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:53:21,750 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:21,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:53:21,750 INFO L748 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 191#L382 assume !(main_~length1~0#1 < 1); 198#L382-2 assume !(main_~length2~0#1 < 1); 183#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 184#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 193#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 187#L372-5 [2022-11-02 20:53:21,750 INFO L750 eck$LassoCheckResult]: Loop: 187#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 188#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 196#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 187#L372-5 [2022-11-02 20:53:21,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:21,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2022-11-02 20:53:21,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:21,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773196438] [2022-11-02 20:53:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:21,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:21,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2022-11-02 20:53:21,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468043275] [2022-11-02 20:53:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:21,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:21,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:21,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:21,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:21,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2022-11-02 20:53:21,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:21,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073188235] [2022-11-02 20:53:21,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:21,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:21,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:21,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:22,900 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:53:22,900 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:53:22,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:53:22,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:53:22,901 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:53:22,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:22,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:53:22,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:53:22,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration3_Lasso [2022-11-02 20:53:22,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:53:22,901 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:53:22,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:22,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:22,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:22,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:22,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:22,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,684 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:23,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:24,673 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:53:24,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:53:24,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:24,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:24,686 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:24,695 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 [2022-11-02 20:53:24,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:24,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:24,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:24,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:24,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:24,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:24,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:24,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:53:24,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:24,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:24,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:24,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:24,744 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:24,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 20:53:24,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:24,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:24,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:24,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:24,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:24,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:24,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:24,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:24,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:24,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:24,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:24,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:24,785 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:24,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 20:53:24,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:24,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:24,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:24,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:24,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:24,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:24,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:24,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:24,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:24,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:24,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:24,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:24,850 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:24,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:24,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:24,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:24,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:24,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:24,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:24,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 20:53:24,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:24,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:24,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:24,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-02 20:53:24,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:24,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:24,908 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:24,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 20:53:24,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:24,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:24,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:24,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:24,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:24,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:24,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:24,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:24,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:24,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:24,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:24,991 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 20:53:25,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:25,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:25,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:25,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:25,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:25,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:25,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:25,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:25,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:25,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:25,069 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:25,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:25,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:25,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:25,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:25,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:25,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:25,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-02 20:53:25,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:25,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:25,142 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:25,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 20:53:25,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:25,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:25,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:25,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:25,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:25,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:25,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:25,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:25,227 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:25,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:25,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:25,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:25,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:25,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:25,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:25,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 20:53:25,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:25,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:25,309 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:25,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:25,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:25,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:25,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:25,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 20:53:25,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:25,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:25,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:25,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:25,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:25,398 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:25,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:25,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:25,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:25,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:25,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 20:53:25,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:25,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:25,469 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:53:25,554 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-11-02 20:53:25,554 INFO L444 ModelExtractionUtils]: 30 out of 55 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-02 20:53:25,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:25,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:25,556 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:25,562 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:53:25,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 20:53:25,594 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:53:25,595 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:53:25,595 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1 Supporting invariants [] [2022-11-02 20:53:25,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,702 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-11-02 20:53:25,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:25,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:53:25,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:25,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:25,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:53:25,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:25,821 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:53:25,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:25,850 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 5 states. [2022-11-02 20:53:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:53:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-02 20:53:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-02 20:53:25,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:25,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-02 20:53:25,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:25,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-02 20:53:25,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:25,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2022-11-02 20:53:25,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:53:25,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2022-11-02 20:53:25,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-02 20:53:25,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 20:53:25,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-11-02 20:53:25,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:53:25,865 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-02 20:53:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-11-02 20:53:25,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2022-11-02 20:53:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:25,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-02 20:53:25,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-02 20:53:25,870 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-02 20:53:25,871 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 20:53:25,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-02 20:53:25,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:53:25,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:53:25,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:53:25,874 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:25,874 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:53:25,874 INFO L748 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 357#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 366#L382 assume !(main_~length1~0#1 < 1); 375#L382-2 assume !(main_~length2~0#1 < 1); 358#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 359#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 367#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 376#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 379#L372-1 assume !cstrspn_#t~short210#1; 377#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 360#L372-6 call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 361#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 371#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 368#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 370#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 362#L372-5 [2022-11-02 20:53:25,875 INFO L750 eck$LassoCheckResult]: Loop: 362#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 363#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 372#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 362#L372-5 [2022-11-02 20:53:25,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:25,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2022-11-02 20:53:25,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:25,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651076270] [2022-11-02 20:53:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:25,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:26,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:53:26,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651076270] [2022-11-02 20:53:26,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651076270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:53:26,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:53:26,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:53:26,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307059784] [2022-11-02 20:53:26,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:53:26,040 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 20:53:26,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2022-11-02 20:53:26,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:26,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53424830] [2022-11-02 20:53:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:26,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:53:26,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:53:26,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:53:26,186 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:26,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:53:26,268 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2022-11-02 20:53:26,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2022-11-02 20:53:26,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 20:53:26,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2022-11-02 20:53:26,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-02 20:53:26,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-02 20:53:26,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2022-11-02 20:53:26,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:53:26,270 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 35 transitions. [2022-11-02 20:53:26,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2022-11-02 20:53:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2022-11-02 20:53:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-11-02 20:53:26,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-02 20:53:26,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:53:26,274 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-02 20:53:26,274 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 20:53:26,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2022-11-02 20:53:26,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:53:26,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:53:26,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:53:26,275 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:26,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:53:26,276 INFO L748 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 429#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 438#L382 assume !(main_~length1~0#1 < 1); 447#L382-2 assume !(main_~length2~0#1 < 1); 430#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, 1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1);assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem207#1, cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset, cstrspn_#t~mem208#1, cstrspn_#t~mem209#1, cstrspn_#t~short210#1, cstrspn_#t~mem212#1, cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset, cstrspn_#t~mem206#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 431#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 439#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 452#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 451#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 449#L372-3 assume !cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1; 432#L372-6 call cstrspn_#t~mem212#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 433#L374 assume !(cstrspn_#t~mem212#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem212#1; 443#L369-3 cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset - 1;havoc cstrspn_#t~post205#1.base, cstrspn_#t~post205#1.offset; 440#L369-4 call cstrspn_#t~mem206#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 442#L369-1 assume !!(0 != cstrspn_#t~mem206#1);havoc cstrspn_#t~mem206#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem207#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem207#1;havoc cstrspn_#t~mem207#1; 434#L372-5 [2022-11-02 20:53:26,276 INFO L750 eck$LassoCheckResult]: Loop: 434#L372-5 call cstrspn_#t~mem208#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := 0 != cstrspn_#t~mem208#1; 435#L372-1 assume cstrspn_#t~short210#1;call cstrspn_#t~mem209#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short210#1 := cstrspn_#t~mem209#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 444#L372-3 assume !!cstrspn_#t~short210#1;havoc cstrspn_#t~mem208#1;havoc cstrspn_#t~mem209#1;havoc cstrspn_#t~short210#1;cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset - 1;havoc cstrspn_#t~post211#1.base, cstrspn_#t~post211#1.offset; 434#L372-5 [2022-11-02 20:53:26,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:26,277 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2022-11-02 20:53:26,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:26,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549276428] [2022-11-02 20:53:26,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:26,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:26,353 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2022-11-02 20:53:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:26,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630734329] [2022-11-02 20:53:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:26,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2022-11-02 20:53:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:26,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996165774] [2022-11-02 20:53:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:53:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:53:26,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:53:28,061 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:53:28,061 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:53:28,061 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:53:28,061 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:53:28,061 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:53:28,061 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:28,061 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:53:28,061 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:53:28,061 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_reverse_alloca.i_Iteration5_Lasso [2022-11-02 20:53:28,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:53:28,062 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:53:28,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,069 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,071 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,082 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,085 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,087 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,092 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,097 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:28,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:29,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:29,166 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:53:30,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:53:30,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:53:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,398 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 20:53:30,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:30,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:30,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:30,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,473 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 20:53:30,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-02 20:53:30,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,568 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 20:53:30,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-02 20:53:30,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,609 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 20:53:30,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-02 20:53:30,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,646 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 20:53:30,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 20:53:30,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,697 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 20:53:30,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:30,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,733 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 20:53:30,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:30,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,769 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 20:53:30,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:30,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:30,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-02 20:53:30,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,810 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 20:53:30,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:30,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,846 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 20:53:30,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-02 20:53:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,882 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 20:53:30,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-02 20:53:30,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,920 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 20:53:30,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:30,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-02 20:53:30,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:30,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:30,962 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:30,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 20:53:30,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:30,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:30,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:30,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:30,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:30,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:30,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:30,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:30,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:31,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:31,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:31,002 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 20:53:31,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:31,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:31,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:31,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:31,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:31,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:31,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:31,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:31,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:31,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:31,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:31,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:31,049 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:31,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 20:53:31,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:31,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:31,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:53:31,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:31,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:31,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:31,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:53:31,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:53:31,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:31,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-02 20:53:31,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:31,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:31,105 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:31,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 20:53:31,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:31,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:31,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:31,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:31,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:31,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:31,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:31,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:53:31,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-02 20:53:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:31,145 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:31,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:53:31,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 20:53:31,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:53:31,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:53:31,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:53:31,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:53:31,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:53:31,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:53:31,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:53:31,306 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2022-11-02 20:53:31,306 INFO L444 ModelExtractionUtils]: 10 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2022-11-02 20:53:31,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:53:31,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:53:31,308 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:53:31,310 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:53:31,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 20:53:31,350 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:53:31,350 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:53:31,350 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_cstrspn_~s2#1.base)_1) = 2*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrspn_~s2#1.base)_1 Supporting invariants [] [2022-11-02 20:53:31,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:31,508 INFO L156 tatePredicateManager]: 24 out of 25 supporting invariants were superfluous and have been removed [2022-11-02 20:53:31,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:31,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:53:31,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:31,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:53:31,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:31,632 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:53:31,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:31,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 5 states. [2022-11-02 20:53:31,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:53:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-02 20:53:31,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-02 20:53:31,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:31,675 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:53:31,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:31,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:53:31,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:31,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:53:31,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:31,806 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:53:31,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:31,845 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 51 transitions. Complement of second has 5 states. [2022-11-02 20:53:31,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:53:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-11-02 20:53:31,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-02 20:53:31,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:31,847 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-02 20:53:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:31,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:53:31,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:31,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-02 20:53:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:31,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:53:31,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:53:31,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:53:31,996 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-02 20:53:31,996 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:32,038 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 41 states and 53 transitions. Complement of second has 4 states. [2022-11-02 20:53:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:53:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:53:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 27 transitions. [2022-11-02 20:53:32,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-02 20:53:32,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:32,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-02 20:53:32,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:32,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-02 20:53:32,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:53:32,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2022-11-02 20:53:32,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:53:32,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2022-11-02 20:53:32,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:53:32,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:53:32,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:53:32,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:53:32,044 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:53:32,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:53:32,044 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:53:32,044 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 20:53:32,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:53:32,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:53:32,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:53:32,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:53:32 BoogieIcfgContainer [2022-11-02 20:53:32,051 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:53:32,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:53:32,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:53:32,052 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:53:32,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:16" (3/4) ... [2022-11-02 20:53:32,056 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:53:32,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:53:32,057 INFO L158 Benchmark]: Toolchain (without parser) took 16837.32ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 72.1MB in the beginning and 106.1MB in the end (delta: -34.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-11-02 20:53:32,057 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:53:32,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.30ms. Allocated memory is still 111.1MB. Free memory was 71.9MB in the beginning and 80.3MB in the end (delta: -8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:53:32,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.08ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:53:32,059 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:53:32,059 INFO L158 Benchmark]: RCFGBuilder took 400.78ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 63.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:53:32,059 INFO L158 Benchmark]: BuchiAutomizer took 15798.54ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 63.0MB in the beginning and 106.1MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:53:32,060 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 148.9MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:53:32,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.30ms. Allocated memory is still 111.1MB. Free memory was 71.9MB in the beginning and 80.3MB in the end (delta: -8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.08ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.78ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 63.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15798.54ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 63.0MB in the beginning and 106.1MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 148.9MB. Free memory is still 106.1MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + 2 * sc1 and consists of 3 locations. One deterministic module has affine ranking function 2 * s + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * s + unknown-#length-unknown[s2] and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 14.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 164 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 111 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital295 mio100 ax100 hnf100 lsp103 ukn79 mio100 lsp48 div161 bol100 ite100 ukn100 eq167 hnf92 smp68 dnf370 smp44 tf100 neg97 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:53:32,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f146b02b-c7fa-40d8-9ffb-90f64a03d1f1/bin/uautomizer-Dbtcem3rbc/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