./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/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_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/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_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/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 6c2edc31dcdc4b2a4abe4268de27cc56aedb322bc6628c226d1c7bd6753071a5 --- 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 20:12:17,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:12:17,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:12:17,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:12:17,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:12:17,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:12:17,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:12:17,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:12:17,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:12:17,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:12:17,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:12:17,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:12:17,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:12:17,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:12:17,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:12:17,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:12:17,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:12:17,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:12:17,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:12:17,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:12:17,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:12:17,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:12:17,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:12:17,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:12:17,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:12:17,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:12:17,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:12:17,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:12:17,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:12:17,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:12:17,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:12:17,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:12:17,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:12:17,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:12:17,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:12:17,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:12:17,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:12:17,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:12:17,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:12:17,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:12:17,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:12:17,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:12:17,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:12:17,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:12:17,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:12:17,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:12:17,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:12:17,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:12:17,862 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:12:17,862 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:12:17,862 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:12:17,862 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:12:17,864 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:12:17,864 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:12:17,864 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:12:17,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:12:17,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:12:17,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:12:17,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:12:17,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:12:17,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:12:17,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:12:17,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:12:17,866 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:12:17,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:12:17,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:12:17,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:12:17,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:12:17,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:12:17,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:12:17,870 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:12:17,870 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_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2edc31dcdc4b2a4abe4268de27cc56aedb322bc6628c226d1c7bd6753071a5 [2022-11-02 20:12:18,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:12:18,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:12:18,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:12:18,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:12:18,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:12:18,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i [2022-11-02 20:12:18,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/data/c168a7584/05c2cab861014060ae16800fa8ea7939/FLAG07ac014e0 [2022-11-02 20:12:18,942 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:12:18,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/sv-benchmarks/c/termination-memory-alloca/a.08-alloca.i [2022-11-02 20:12:18,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/data/c168a7584/05c2cab861014060ae16800fa8ea7939/FLAG07ac014e0 [2022-11-02 20:12:19,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/data/c168a7584/05c2cab861014060ae16800fa8ea7939 [2022-11-02 20:12:19,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:12:19,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:12:19,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:12:19,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:12:19,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:12:19,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed9b595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19, skipping insertion in model container [2022-11-02 20:12:19,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:12:19,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:12:19,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:12:19,776 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:12:19,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:12:19,872 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:12:19,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19 WrapperNode [2022-11-02 20:12:19,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:12:19,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:12:19,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:12:19,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:12:19,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,949 INFO L138 Inliner]: procedures = 111, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-02 20:12:19,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:12:19,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:12:19,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:12:19,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:12:19,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:19,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:20,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:20,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:20,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:20,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:12:20,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:12:20,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:12:20,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:12:20,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (1/1) ... [2022-11-02 20:12:20,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:20,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:20,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:20,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:12:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:12:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:12:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:12:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:12:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:12:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:12:20,278 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:12:20,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:12:20,452 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:12:20,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:12:20,460 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:12:20,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:20 BoogieIcfgContainer [2022-11-02 20:12:20,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:12:20,464 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:12:20,464 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:12:20,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:12:20,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:12:20,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:12:19" (1/3) ... [2022-11-02 20:12:20,471 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d3f0049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:12:20, skipping insertion in model container [2022-11-02 20:12:20,471 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:12:20,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:12:19" (2/3) ... [2022-11-02 20:12:20,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d3f0049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:12:20, skipping insertion in model container [2022-11-02 20:12:20,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:12:20,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:20" (3/3) ... [2022-11-02 20:12:20,474 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.08-alloca.i [2022-11-02 20:12:20,578 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:12:20,578 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:12:20,578 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:12:20,578 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:12:20,579 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:12:20,579 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:12:20,579 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:12:20,579 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:12:20,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:20,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:12:20,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:12:20,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:12:20,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:12:20,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:12:20,648 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:12:20,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:20,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:12:20,650 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:12:20,650 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:12:20,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:12:20,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:12:20,659 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; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem11#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 9#L555-5true [2022-11-02 20:12:20,662 INFO L750 eck$LassoCheckResult]: Loop: 9#L555-5true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 10#L555-1true assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 2147483647; 5#L555-3true assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem9#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 + test_fun_#t~mem10#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 9#L555-5true [2022-11-02 20:12:20,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:20,676 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:12:20,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:20,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949176462] [2022-11-02 20:12:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:20,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:20,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:12:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:20,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:12:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2022-11-02 20:12:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:20,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395968678] [2022-11-02 20:12:20,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:20,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:21,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:12:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:21,062 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:12:21,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:21,075 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2022-11-02 20:12:21,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:21,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460047592] [2022-11-02 20:12:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:21,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:21,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:12:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:21,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:12:22,269 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:12:22,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:12:22,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:12:22,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:12:22,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:12:22,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:22,274 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:12:22,274 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:12:22,274 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.08-alloca.i_Iteration1_Lasso [2022-11-02 20:12:22,274 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:12:22,275 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:12:22,323 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 20:12:22,335 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 20:12:22,340 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 20:12:22,347 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 20:12:22,350 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 20:12:22,355 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 20:12:22,359 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 20:12:22,364 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 20:12:22,367 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 20:12:23,083 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 20:12:23,086 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 20:12:23,090 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 20:12:23,094 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 20:12:23,097 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 20:12:23,101 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 20:12:23,105 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 20:12:23,108 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 20:12:23,645 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:12:23,650 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:12:23,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:23,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:23,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:23,707 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 20:12:23,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:12:23,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:23,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:12:23,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:23,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:23,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:23,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:12:23,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:12:23,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:23,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:12:23,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:23,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:23,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:12:23,795 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 20:12:23,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:23,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:12:23,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:23,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:23,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:23,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:12:23,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:12:23,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:23,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:23,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:23,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:23,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:12:23,863 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 20:12:23,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:23,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:23,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:23,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:23,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:12:23,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:12:23,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:23,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:23,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:23,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:23,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:23,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:12:23,956 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 20:12:23,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:23,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:23,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:23,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:23,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:12:23,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:12:23,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:24,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-02 20:12:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:12:24,004 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 20:12:24,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:24,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:24,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:24,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:24,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:12:24,017 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:12:24,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:24,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:24,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,048 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:12:24,051 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 20:12:24,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:24,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:12:24,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:24,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:24,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:24,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:12:24,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:12:24,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:24,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,088 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:12:24,091 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 20:12:24,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:24,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:24,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:24,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:24,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:12:24,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:12:24,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:24,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:24,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,176 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,184 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 20:12:24,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:24,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:12:24,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:24,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:24,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:24,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:12:24,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:12:24,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:12:24,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:24,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-02 20:12:24,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,226 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:12:24,228 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 20:12:24,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:24,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:24,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:24,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:24,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:12:24,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:12:24,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:12:24,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:24,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,301 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:12:24,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:12:24,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:12:24,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:12:24,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:12:24,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:12:24,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:12:24,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:12:24,362 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:12:24,412 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-02 20:12:24,412 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-02 20:12:24,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:12:24,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:12:24,426 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:12:24,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:12:24,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:12:24,458 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 20:12:24,459 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:12:24,459 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 + 2147483646 Supporting invariants [] [2022-11-02 20:12:24,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:24,632 INFO L156 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2022-11-02 20:12:24,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:24,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:12:24,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:12:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:24,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 20:12:24,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:12:24,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:12:24,983 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 20:12:25,033 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-02 20:12:25,036 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:25,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 44 transitions. Complement of second has 9 states. [2022-11-02 20:12:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-02 20:12:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-02 20:12:25,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-02 20:12:25,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:12:25,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-02 20:12:25,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:12:25,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-02 20:12:25,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:12:25,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2022-11-02 20:12:25,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:12:25,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2022-11-02 20:12:25,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-02 20:12:25,167 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-02 20:12:25,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-11-02 20:12:25,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 20:12:25,168 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-02 20:12:25,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-11-02 20:12:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-02 20:12:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-02 20:12:25,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-02 20:12:25,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-02 20:12:25,198 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:12:25,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-02 20:12:25,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:12:25,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:12:25,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:12:25,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:12:25,201 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:12:25,201 INFO L748 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~nondet13#1, main_#t~ret14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet12#1, main_#t~nondet13#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem11#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 182#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 179#L555-1 [2022-11-02 20:12:25,202 INFO L750 eck$LassoCheckResult]: Loop: 179#L555-1 assume !test_fun_#t~short8#1; 175#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem9#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 + test_fun_#t~mem10#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 176#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 179#L555-1 [2022-11-02 20:12:25,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-02 20:12:25,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:25,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961273504] [2022-11-02 20:12:25,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:25,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:25,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:12:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:12:25,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:12:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:12:25,296 INFO L85 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2022-11-02 20:12:25,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:12:25,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637490758] [2022-11-02 20:12:25,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:12:25,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:12:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:12:25,341 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 20:12:25,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:12:25,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637490758] [2022-11-02 20:12:25,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637490758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:12:25,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:12:25,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:12:25,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759293879] [2022-11-02 20:12:25,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:12:25,346 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:12:25,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:12:25,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:12:25,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:12:25,351 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:12:25,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:12:25,366 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-02 20:12:25,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-02 20:12:25,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:12:25,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-11-02 20:12:25,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:12:25,367 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:12:25,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:12:25,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:12:25,368 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:12:25,368 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:12:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:12:25,369 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:12:25,370 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:12:25,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:12:25,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:12:25,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:12:25,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:12:25 BoogieIcfgContainer [2022-11-02 20:12:25,379 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:12:25,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:12:25,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:12:25,379 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:12:25,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:12:20" (3/4) ... [2022-11-02 20:12:25,383 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:12:25,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:12:25,384 INFO L158 Benchmark]: Toolchain (without parser) took 6107.44ms. Allocated memory was 102.8MB in the beginning and 172.0MB in the end (delta: 69.2MB). Free memory was 73.1MB in the beginning and 115.6MB in the end (delta: -42.6MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-11-02 20:12:25,385 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 56.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:12:25,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.11ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.8MB in the beginning and 112.8MB in the end (delta: -40.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:12:25,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.49ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:12:25,387 INFO L158 Benchmark]: Boogie Preprocessor took 65.27ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:12:25,387 INFO L158 Benchmark]: RCFGBuilder took 445.57ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 98.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:12:25,388 INFO L158 Benchmark]: BuchiAutomizer took 4914.89ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 97.7MB in the beginning and 115.6MB in the end (delta: -17.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-02 20:12:25,388 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 172.0MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:12:25,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 56.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.11ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 72.8MB in the beginning and 112.8MB in the end (delta: -40.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.49ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 110.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.27ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 109.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.57ms. Allocated memory is still 142.6MB. Free memory was 109.7MB in the beginning and 98.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4914.89ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 97.7MB in the beginning and 115.6MB in the end (delta: -17.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 172.0MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483646 and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 11 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp91 ukn58 mio100 lsp34 div100 bol100 ite100 ukn100 eq178 hnf88 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 48ms 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 20:12:25,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d094c2a-f703-4c2a-ae83-ca3db19ab43e/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