./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD --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 d63463173b27a3cdf96cbee1d161c9afc7e48dc9addc6b012fc924aa2db5e8d7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:37:16,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:37:16,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:37:16,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:37:16,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:37:16,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:37:16,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:37:16,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:37:16,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:37:16,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:37:16,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:37:16,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:37:16,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:37:16,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:37:16,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:37:16,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:37:16,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:37:16,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:37:16,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:37:16,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:37:16,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:37:16,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:37:16,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:37:16,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:37:16,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:37:16,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:37:16,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:37:16,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:37:16,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:37:16,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:37:16,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:37:16,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:37:16,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:37:16,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:37:16,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:37:16,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:37:16,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:37:16,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:37:16,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:37:16,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:37:16,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:37:16,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:37:16,954 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:37:16,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:37:16,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:37:16,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:37:16,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:37:16,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:37:16,957 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:37:16,957 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:37:16,957 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:37:16,957 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:37:16,958 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:37:16,959 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:37:16,959 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:37:16,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:37:16,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:37:16,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:37:16,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:37:16,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:37:16,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:37:16,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:37:16,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:37:16,961 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:37:16,961 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:37:16,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:37:16,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:37:16,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:37:16,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:37:16,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:37:16,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:37:16,965 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:37:16,965 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_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63463173b27a3cdf96cbee1d161c9afc7e48dc9addc6b012fc924aa2db5e8d7 [2021-10-28 23:37:17,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:37:17,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:37:17,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:37:17,229 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:37:17,230 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:37:17,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-10-28 23:37:17,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/data/90a72785c/46a5759994e0466ca00a17185b302ae7/FLAGa8e673f53 [2021-10-28 23:37:17,925 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:37:17,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/sv-benchmarks/c/termination-memory-alloca/array03-alloca-1.i [2021-10-28 23:37:17,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/data/90a72785c/46a5759994e0466ca00a17185b302ae7/FLAGa8e673f53 [2021-10-28 23:37:18,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/data/90a72785c/46a5759994e0466ca00a17185b302ae7 [2021-10-28 23:37:18,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:37:18,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:37:18,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:37:18,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:37:18,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:37:18,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222edb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18, skipping insertion in model container [2021-10-28 23:37:18,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:37:18,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:37:18,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:37:18,628 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:37:18,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:37:18,707 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:37:18,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18 WrapperNode [2021-10-28 23:37:18,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:37:18,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:37:18,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:37:18,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:37:18,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:37:18,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:37:18,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:37:18,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:37:18,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:37:18,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:37:18,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:37:18,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:37:18,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (1/1) ... [2021-10-28 23:37:18,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:18,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:18,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:18,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:37:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:37:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:37:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:37:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:37:18,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:37:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:37:19,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:37:19,083 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 23:37:19,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:19 BoogieIcfgContainer [2021-10-28 23:37:19,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:37:19,086 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:37:19,087 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:37:19,090 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:37:19,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:37:19,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:37:18" (1/3) ... [2021-10-28 23:37:19,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76ce3256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:37:19, skipping insertion in model container [2021-10-28 23:37:19,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:37:19,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:37:18" (2/3) ... [2021-10-28 23:37:19,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76ce3256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:37:19, skipping insertion in model container [2021-10-28 23:37:19,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:37:19,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:19" (3/3) ... [2021-10-28 23:37:19,095 INFO L389 chiAutomizerObserver]: Analyzing ICFG array03-alloca-1.i [2021-10-28 23:37:19,138 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:37:19,138 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:37:19,138 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:37:19,138 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:37:19,139 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:37:19,139 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:37:19,139 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:37:19,139 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:37:19,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:19,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 23:37:19,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:19,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:19,180 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:37:19,180 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:37:19,180 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:37:19,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:19,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 23:37:19,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:19,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:19,184 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:37:19,184 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:37:19,191 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 15#L567true assume !(main_~array_size~0 < 1); 16#L567-2true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 8#L551-3true [2021-10-28 23:37:19,191 INFO L793 eck$LassoCheckResult]: Loop: 8#L551-3true assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 11#L553true assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 9#L558-2true assume !true; 7#L558-3true call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 8#L551-3true [2021-10-28 23:37:19,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:19,197 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-28 23:37:19,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:19,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066645398] [2021-10-28 23:37:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:19,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,326 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,394 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:19,398 INFO L85 PathProgramCache]: Analyzing trace with hash 44963621, now seen corresponding path program 1 times [2021-10-28 23:37:19,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:19,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444765131] [2021-10-28 23:37:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:19,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:19,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:37:19,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444765131] [2021-10-28 23:37:19,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444765131] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:37:19,487 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:37:19,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:37:19,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225940851] [2021-10-28 23:37:19,493 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:37:19,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:37:19,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:37:19,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:37:19,517 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:19,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:37:19,525 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-10-28 23:37:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:37:19,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-10-28 23:37:19,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 23:37:19,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 11 states and 15 transitions. [2021-10-28 23:37:19,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 23:37:19,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 23:37:19,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2021-10-28 23:37:19,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:37:19,537 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-28 23:37:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2021-10-28 23:37:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-28 23:37:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 10 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) [2021-10-28 23:37:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2021-10-28 23:37:19,565 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-28 23:37:19,565 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2021-10-28 23:37:19,565 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:37:19,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2021-10-28 23:37:19,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-28 23:37:19,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:19,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:19,567 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 23:37:19,567 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:37:19,568 INFO L791 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 42#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 47#L567 assume !(main_~array_size~0 < 1); 48#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 44#L551-3 [2021-10-28 23:37:19,568 INFO L793 eck$LassoCheckResult]: Loop: 44#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 38#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 39#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 45#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 46#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 43#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 44#L551-3 [2021-10-28 23:37:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-10-28 23:37:19,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:19,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671434550] [2021-10-28 23:37:19,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:19,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,589 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:19,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:19,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657929, now seen corresponding path program 1 times [2021-10-28 23:37:19,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:19,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318454425] [2021-10-28 23:37:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:19,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,642 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:19,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:19,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1898369747, now seen corresponding path program 1 times [2021-10-28 23:37:19,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:19,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653497638] [2021-10-28 23:37:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:19,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,707 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:19,749 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:20,227 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:37:20,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:37:20,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:37:20,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:37:20,229 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:37:20,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:20,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:37:20,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:37:20,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration2_Lasso [2021-10-28 23:37:20,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:37:20,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:37:20,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:20,769 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:37:20,781 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:37:20,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:20,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:20,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:20,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:20,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:20,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:20,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:20,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:20,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:20,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:20,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:20,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:37:20,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:20,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 23:37:20,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:20,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:20,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:20,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:20,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:37:20,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:20,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:20,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:20,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:20,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:20,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:20,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:20,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:20,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:20,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:20,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:20,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:37:20,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:20,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:20,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:20,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:20,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:20,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:20,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:20,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:20,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:20,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 23:37:20,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:20,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:20,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:37:20,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:20,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:20,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:20,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:20,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:20,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:20,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:20,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:20,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:20,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:20,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:20,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:20,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:37:20,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:20,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:20,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:20,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:20,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:20,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:20,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:21,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,044 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:21,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:21,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:21,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:37:21,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:21,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:21,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:37:21,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,191 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:37:21,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:21,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:21,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,270 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:21,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:21,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:21,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:37:21,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,326 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:37:21,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:21,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:21,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:21,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,371 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:37:21,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:21,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:21,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:21,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,423 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:37:21,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:21,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:21,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:21,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,466 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:37:21,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:21,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:21,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 23:37:21,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:37:21,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:21,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:21,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:21,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,582 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:21,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:21,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:21,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:21,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:21,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:21,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:21,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:37:21,634 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:37:21,674 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 23:37:21,675 INFO L444 ModelExtractionUtils]: 21 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 23:37:21,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:21,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:21,678 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:21,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:37:21,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:37:21,732 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:37:21,732 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:37:21,733 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~N, ULTIMATE.start_test_fun_~i~0) = 1*ULTIMATE.start_test_fun_~N - 1*ULTIMATE.start_test_fun_~i~0 Supporting invariants [] [2021-10-28 23:37:21,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:21,817 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 23:37:21,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:21,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:37:21,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:21,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:37:21,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:21,990 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:37:21,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5 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) [2021-10-28 23:37:22,049 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 5. 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 18 states and 26 transitions. Complement of second has 4 states. [2021-10-28 23:37:22,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:37:22,050 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) [2021-10-28 23:37:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2021-10-28 23:37:22,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 23:37:22,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:22,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-28 23:37:22,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:22,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 4 letters. Loop has 12 letters. [2021-10-28 23:37:22,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:22,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 26 transitions. [2021-10-28 23:37:22,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:22,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 24 transitions. [2021-10-28 23:37:22,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 23:37:22,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 23:37:22,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 24 transitions. [2021-10-28 23:37:22,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:37:22,065 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-10-28 23:37:22,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 24 transitions. [2021-10-28 23:37:22,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 23:37:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 24 transitions. [2021-10-28 23:37:22,069 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-10-28 23:37:22,070 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 24 transitions. [2021-10-28 23:37:22,070 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:37:22,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 24 transitions. [2021-10-28 23:37:22,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:22,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:22,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:22,075 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:37:22,075 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:37:22,075 INFO L791 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 136#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 142#L567 assume !(main_~array_size~0 < 1); 143#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 144#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 129#L553 assume 0 == test_fun_#t~mem3;havoc test_fun_#t~mem3;test_fun_~res~0 := 1; 130#L558-2 [2021-10-28 23:37:22,076 INFO L793 eck$LassoCheckResult]: Loop: 130#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 139#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 130#L558-2 [2021-10-28 23:37:22,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:22,077 INFO L85 PathProgramCache]: Analyzing trace with hash 889568456, now seen corresponding path program 1 times [2021-10-28 23:37:22,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:22,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915011447] [2021-10-28 23:37:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,112 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:22,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2021-10-28 23:37:22,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:22,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587202602] [2021-10-28 23:37:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:22,155 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:22,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [89229156] [2021-10-28 23:37:22,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:22,160 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:22,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-28 23:37:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,214 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:22,225 INFO L85 PathProgramCache]: Analyzing trace with hash 176795341, now seen corresponding path program 1 times [2021-10-28 23:37:22,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:22,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123537848] [2021-10-28 23:37:22,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:22,236 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:22,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245224469] [2021-10-28 23:37:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:22,242 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:22,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-28 23:37:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:22,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:37:22,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:22,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:22,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-10-28 23:37:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:22,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:37:22,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123537848] [2021-10-28 23:37:22,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 23:37:22,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245224469] [2021-10-28 23:37:22,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245224469] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:37:22,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:37:22,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:37:22,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585694658] [2021-10-28 23:37:22,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:37:22,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:37:22,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:37:22,497 INFO L87 Difference]: Start difference. First operand 16 states and 24 transitions. cyclomatic complexity: 10 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:37:22,551 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2021-10-28 23:37:22,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:37:22,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-28 23:37:22,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:22,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 26 transitions. [2021-10-28 23:37:22,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 23:37:22,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 23:37:22,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-10-28 23:37:22,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:37:22,560 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-10-28 23:37:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-10-28 23:37:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-10-28 23:37:22,565 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) [2021-10-28 23:37:22,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-10-28 23:37:22,567 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:37:22,567 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-10-28 23:37:22,567 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:37:22,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-10-28 23:37:22,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:22,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:22,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:22,571 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:37:22,571 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:37:22,572 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 213#L567 assume !(main_~array_size~0 < 1); 214#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 215#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 199#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 200#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 204#L558-2 [2021-10-28 23:37:22,572 INFO L793 eck$LassoCheckResult]: Loop: 204#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 210#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 204#L558-2 [2021-10-28 23:37:22,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2021-10-28 23:37:22,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:22,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403087264] [2021-10-28 23:37:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,606 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:22,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:22,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 2 times [2021-10-28 23:37:22,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:22,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449906436] [2021-10-28 23:37:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:22,653 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:22,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70525561] [2021-10-28 23:37:22,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:37:22,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:22,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:22,658 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:22,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-28 23:37:22,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:37:22,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-28 23:37:22,716 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:22,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:22,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1185742934, now seen corresponding path program 1 times [2021-10-28 23:37:22,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:22,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336793331] [2021-10-28 23:37:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:22,745 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:22,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71047414] [2021-10-28 23:37:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:22,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:22,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:22,755 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:22,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-28 23:37:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,815 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:22,838 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:23,218 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:37:23,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:37:23,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:37:23,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:37:23,219 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:37:23,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:23,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:37:23,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:37:23,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration4_Lasso [2021-10-28 23:37:23,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:37:23,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:37:23,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:23,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:37:23,698 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:37:23,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:23,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:23,705 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:23,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:23,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:23,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:23,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:23,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:23,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:23,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:37:23,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:23,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:23,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:23,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:23,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:23,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:23,788 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:23,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:23,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:23,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:23,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:23,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:23,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:23,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:23,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:23,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:37:23,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:23,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:23,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:23,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:23,840 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:23,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:23,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:37:23,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:23,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:23,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:23,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:23,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:23,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:23,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:23,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:23,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:23,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:23,915 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:23,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:23,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:23,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:23,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:23,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:23,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:23,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:23,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:23,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:37:23,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:23,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:23,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:23,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:23,977 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:23,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:37:23,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:23,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:23,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:23,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:23,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:23,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:23,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:23,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:23,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:24,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:24,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:24,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:24,034 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:24,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:24,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:24,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:24,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:24,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:24,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:24,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:24,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:37:24,066 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:37:24,076 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 23:37:24,076 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 23:37:24,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:24,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:24,078 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:24,082 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:37:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:37:24,107 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:37:24,107 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:37:24,107 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] [2021-10-28 23:37:24,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:24,150 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 23:37:24,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:24,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:37:24,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:24,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:37:24,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:24,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:37:24,230 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,259 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 54 transitions. Complement of second has 7 states. [2021-10-28 23:37:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:37:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-28 23:37:24,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 23:37:24,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:24,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 23:37:24,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:24,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 23:37:24,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:24,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 54 transitions. [2021-10-28 23:37:24,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:37:24,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 47 transitions. [2021-10-28 23:37:24,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 23:37:24,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 23:37:24,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 47 transitions. [2021-10-28 23:37:24,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:37:24,270 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2021-10-28 23:37:24,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 47 transitions. [2021-10-28 23:37:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2021-10-28 23:37:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-28 23:37:24,279 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 23:37:24,279 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-28 23:37:24,279 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:37:24,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 43 transitions. [2021-10-28 23:37:24,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:24,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:24,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:24,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:37:24,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:37:24,283 INFO L791 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 330#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 338#L567 assume !(main_~array_size~0 < 1); 339#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 340#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 341#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 325#L555 assume test_fun_#t~mem4 < 0;havoc test_fun_#t~mem4;test_fun_~res~0 := 0; 326#L558-2 [2021-10-28 23:37:24,284 INFO L793 eck$LassoCheckResult]: Loop: 326#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 333#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 326#L558-2 [2021-10-28 23:37:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1806818447, now seen corresponding path program 1 times [2021-10-28 23:37:24,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:24,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006199006] [2021-10-28 23:37:24,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:24,318 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:24,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:24,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 3 times [2021-10-28 23:37:24,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:24,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413383365] [2021-10-28 23:37:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:24,346 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:24,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767730853] [2021-10-28 23:37:24,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:37:24,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:24,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:24,354 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:24,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-28 23:37:24,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-28 23:37:24,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-28 23:37:24,404 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:24,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:24,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1185741012, now seen corresponding path program 1 times [2021-10-28 23:37:24,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:24,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213078273] [2021-10-28 23:37:24,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:24,420 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:24,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434005441] [2021-10-28 23:37:24,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:24,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:24,426 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-28 23:37:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:24,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:37:24,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:24,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2021-10-28 23:37:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:24,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:37:24,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213078273] [2021-10-28 23:37:24,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-28 23:37:24,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434005441] [2021-10-28 23:37:24,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434005441] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:37:24,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:37:24,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:37:24,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798313420] [2021-10-28 23:37:24,594 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:37:24,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:37:24,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:37:24,595 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:37:24,641 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2021-10-28 23:37:24,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:37:24,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2021-10-28 23:37:24,644 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:24,645 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 33 states and 41 transitions. [2021-10-28 23:37:24,645 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 23:37:24,646 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 23:37:24,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-10-28 23:37:24,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:37:24,646 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-28 23:37:24,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-10-28 23:37:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2021-10-28 23:37:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-10-28 23:37:24,653 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-28 23:37:24,653 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-10-28 23:37:24,653 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:37:24,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2021-10-28 23:37:24,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:24,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:24,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:24,658 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:37:24,658 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:37:24,658 INFO L791 eck$LassoCheckResult]: Stem: 433#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 434#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 441#L567 assume !(main_~array_size~0 < 1); 442#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 443#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 426#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 428#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 439#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 444#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 448#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 447#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 445#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 424#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 425#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 429#L558-2 [2021-10-28 23:37:24,658 INFO L793 eck$LassoCheckResult]: Loop: 429#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 437#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 429#L558-2 [2021-10-28 23:37:24,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1864345184, now seen corresponding path program 1 times [2021-10-28 23:37:24,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:24,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899383335] [2021-10-28 23:37:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:24,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:37:24,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899383335] [2021-10-28 23:37:24,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899383335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:37:24,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:37:24,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:37:24,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951229386] [2021-10-28 23:37:24,772 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:37:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 4 times [2021-10-28 23:37:24,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:24,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347916053] [2021-10-28 23:37:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:24,777 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:24,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001336354] [2021-10-28 23:37:24,778 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:37:24,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:24,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:24,783 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:24,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-28 23:37:24,839 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:37:24,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-28 23:37:24,839 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:24,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:24,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:37:24,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:37:24,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:37:24,904 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:37:24,959 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2021-10-28 23:37:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:37:24,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-10-28 23:37:24,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:24,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 33 states and 41 transitions. [2021-10-28 23:37:24,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 23:37:24,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 23:37:24,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 41 transitions. [2021-10-28 23:37:24,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:37:24,968 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-28 23:37:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 41 transitions. [2021-10-28 23:37:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2021-10-28 23:37:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:37:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2021-10-28 23:37:24,973 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-28 23:37:24,973 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-28 23:37:24,973 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 23:37:24,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2021-10-28 23:37:24,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:37:24,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:37:24,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:37:24,975 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:37:24,976 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:37:24,976 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 504#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet9;havoc main_#t~nondet9; 511#L567 assume !(main_~array_size~0 < 1); 512#L567-2 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#t~mem3, test_fun_#t~mem4, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~post8, test_fun_#t~mem5, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;havoc test_fun_~res~0;test_fun_~i~0 := 0; 513#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 514#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 523#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 515#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 516#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 525#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 520#L558 assume !(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5; 519#L558-3 call write~int(test_fun_~res~0, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 518#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 517#L551-3 assume !!(test_fun_~i~0 < test_fun_~N);test_fun_~res~0 := 1;call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 496#L553 assume !(0 == test_fun_#t~mem3);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 497#L555 assume !(test_fun_#t~mem4 < 0);havoc test_fun_#t~mem4; 501#L558-2 [2021-10-28 23:37:24,976 INFO L793 eck$LassoCheckResult]: Loop: 501#L558-2 call test_fun_#t~mem5 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 507#L558 assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_~res~0 := test_fun_~res~0 * test_fun_#t~mem6;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post8 := test_fun_#t~mem7;call write~int(test_fun_#t~post8 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem7;havoc test_fun_#t~post8; 501#L558-2 [2021-10-28 23:37:24,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:24,977 INFO L85 PathProgramCache]: Analyzing trace with hash 221162235, now seen corresponding path program 1 times [2021-10-28 23:37:24,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:24,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457580547] [2021-10-28 23:37:24,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:24,990 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:24,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344472736] [2021-10-28 23:37:24,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:24,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:24,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:24,995 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-28 23:37:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:25,066 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:25,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:25,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:25,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 5 times [2021-10-28 23:37:25,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:25,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711523864] [2021-10-28 23:37:25,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:25,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:25,099 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:25,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773080406] [2021-10-28 23:37:25,099 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 23:37:25,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:25,103 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:25,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-28 23:37:25,157 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 23:37:25,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-28 23:37:25,157 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:25,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:25,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2083511360, now seen corresponding path program 2 times [2021-10-28 23:37:25,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:37:25,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996549052] [2021-10-28 23:37:25,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:37:25,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:37:25,175 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-28 23:37:25,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835056660] [2021-10-28 23:37:25,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:37:25,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:37:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:25,178 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:37:25,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-28 23:37:25,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:37:25,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-28 23:37:25,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:37:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:37:25,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:37:25,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:25,904 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:37:25,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:37:25,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:37:25,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:37:25,905 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:37:25,905 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:25,905 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:37:25,905 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:37:25,905 INFO L133 ssoRankerPreferences]: Filename of dumped script: array03-alloca-1.i_Iteration7_Lasso [2021-10-28 23:37:25,905 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:37:25,905 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:37:25,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:25,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:25,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:25,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:25,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:37:26,366 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:37:26,366 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:37:26,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,374 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:26,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:26,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:26,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:37:26,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:26,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:26,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,438 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:37:26,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:37:26,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:37:26,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:37:26,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:26,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 23:37:26,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,497 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:37:26,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:26,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:26,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:26,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 23:37:26,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,543 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:37:26,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:26,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:26,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:26,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:26,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,583 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:37:26,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:26,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:26,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:26,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:26,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,668 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:26,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:26,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:37:26,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:37:26,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:26,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,740 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:37:26,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:37:26,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:37:26,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:37:26,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:37:26,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:37:26,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:37:26,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:37:26,770 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:37:26,779 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 23:37:26,779 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 23:37:26,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:37:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:37:26,782 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:37:26,786 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:37:26,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:37:26,814 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:37:26,814 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:37:26,814 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_3 Supporting invariants [] [2021-10-28 23:37:26,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:26,867 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 23:37:26,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:26,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:37:26,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:26,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:37:26,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:26,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:37:26,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 23:37:27,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 35 states and 44 transitions. Complement of second has 7 states. [2021-10-28 23:37:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:37:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 23:37:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-28 23:37:27,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-28 23:37:27,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:27,009 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:37:27,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:27,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:37:27,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:27,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:37:27,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:27,126 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:37:27,126 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 23:37:27,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 35 states and 44 transitions. Complement of second has 7 states. [2021-10-28 23:37:27,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:37:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 23:37:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-10-28 23:37:27,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-28 23:37:27,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:27,186 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:37:27,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:27,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:37:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:27,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:37:27,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:37:27,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:37:27,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:37:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:37:27,311 INFO L152 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 [2021-10-28 23:37:27,311 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 23:37:27,334 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) Result 39 states and 50 transitions. Complement of second has 6 states. [2021-10-28 23:37:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:37:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2021-10-28 23:37:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-28 23:37:27,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 2 letters. [2021-10-28 23:37:27,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:27,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 2 letters. [2021-10-28 23:37:27,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:27,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 4 letters. [2021-10-28 23:37:27,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:37:27,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-10-28 23:37:27,342 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:37:27,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2021-10-28 23:37:27,342 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:37:27,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:37:27,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:37:27,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:37:27,343 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:37:27,343 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:37:27,343 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:37:27,343 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 23:37:27,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:37:27,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:37:27,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:37:27,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:37:27 BoogieIcfgContainer [2021-10-28 23:37:27,350 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:37:27,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:37:27,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:37:27,351 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:37:27,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:37:19" (3/4) ... [2021-10-28 23:37:27,355 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:37:27,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:37:27,356 INFO L168 Benchmark]: Toolchain (without parser) took 9164.18 ms. Allocated memory was 107.0 MB in the beginning and 174.1 MB in the end (delta: 67.1 MB). Free memory was 72.0 MB in the beginning and 129.0 MB in the end (delta: -57.0 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:27,357 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 107.0 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:37:27,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.04 ms. Allocated memory is still 107.0 MB. Free memory was 71.8 MB in the beginning and 75.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:27,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 107.0 MB. Free memory was 75.8 MB in the beginning and 74.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:37:27,358 INFO L168 Benchmark]: Boogie Preprocessor took 24.94 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 73.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:37:27,359 INFO L168 Benchmark]: RCFGBuilder took 308.79 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 62.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:27,359 INFO L168 Benchmark]: BuchiAutomizer took 8263.66 ms. Allocated memory was 107.0 MB in the beginning and 174.1 MB in the end (delta: 67.1 MB). Free memory was 62.5 MB in the beginning and 130.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:27,359 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 174.1 MB. Free memory was 130.1 MB in the beginning and 129.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:27,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 107.0 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.04 ms. Allocated memory is still 107.0 MB. Free memory was 71.8 MB in the beginning and 75.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 107.0 MB. Free memory was 75.8 MB in the beginning and 74.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.94 ms. Allocated memory is still 107.0 MB. Free memory was 74.0 MB in the beginning and 73.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 308.79 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 62.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8263.66 ms. Allocated memory was 107.0 MB in the beginning and 174.1 MB in the end (delta: 67.1 MB). Free memory was 62.5 MB in the beginning and 130.1 MB in the end (delta: -67.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.45 ms. Allocated memory is still 174.1 MB. Free memory was 130.1 MB in the beginning and 129.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 7.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 119 SDtfs, 83 SDslu, 68 SDs, 0 SdLazy, 147 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital175 mio100 ax110 hnf99 lsp87 ukn67 mio100 lsp52 div100 bol100 ite100 ukn100 eq178 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:37:27,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:27,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-10-28 23:37:27,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-10-28 23:37:28,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:28,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-28 23:37:28,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-28 23:37:28,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-10-28 23:37:28,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:29,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:29,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:37:29,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9e66c7-d853-4a88-b908-a0ce442d54ca/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...