./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:30:54,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:30:54,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:30:54,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:30:54,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:30:54,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:30:54,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:30:54,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:30:55,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:30:55,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:30:55,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:30:55,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:30:55,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:30:55,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:30:55,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:30:55,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:30:55,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:30:55,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:30:55,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:30:55,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:30:55,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:30:55,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:30:55,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:30:55,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:30:55,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:30:55,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:30:55,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:30:55,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:30:55,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:30:55,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:30:55,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:30:55,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:30:55,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:30:55,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:30:55,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:30:55,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:30:55,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:30:55,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:30:55,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:30:55,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:30:55,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:30:55,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 19:30:55,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:30:55,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:30:55,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:30:55,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:30:55,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:30:55,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:30:55,048 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:30:55,049 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:30:55,049 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:30:55,049 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:30:55,049 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:30:55,049 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:30:55,049 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:30:55,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:30:55,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:30:55,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:30:55,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:30:55,051 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:30:55,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:30:55,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:30:55,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:30:55,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:30:55,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:30:55,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:30:55,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:30:55,052 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:30:55,053 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_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 [2021-12-06 19:30:55,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:30:55,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:30:55,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:30:55,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:30:55,260 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:30:55,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/reducercommutativity/max05-1.i [2021-12-06 19:30:55,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/data/4dc6e1ca7/9ce53d0b0ed7474cac2b7a8b2966827a/FLAGcf2711dff [2021-12-06 19:30:55,676 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:30:55,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/sv-benchmarks/c/reducercommutativity/max05-1.i [2021-12-06 19:30:55,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/data/4dc6e1ca7/9ce53d0b0ed7474cac2b7a8b2966827a/FLAGcf2711dff [2021-12-06 19:30:55,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/data/4dc6e1ca7/9ce53d0b0ed7474cac2b7a8b2966827a [2021-12-06 19:30:55,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:30:55,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:30:55,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:30:55,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:30:55,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:30:55,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1960a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55, skipping insertion in model container [2021-12-06 19:30:55,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:30:55,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:30:55,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/sv-benchmarks/c/reducercommutativity/max05-1.i[1284,1297] [2021-12-06 19:30:55,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:30:55,855 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:30:55,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/sv-benchmarks/c/reducercommutativity/max05-1.i[1284,1297] [2021-12-06 19:30:55,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:30:55,891 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:30:55,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55 WrapperNode [2021-12-06 19:30:55,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:30:55,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:30:55,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:30:55,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:30:55,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,934 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2021-12-06 19:30:55,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:30:55,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:30:55,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:30:55,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:30:55,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:30:55,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:30:55,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:30:55,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:30:55,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (1/1) ... [2021-12-06 19:30:55,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:55,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:55,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:55,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:30:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:30:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:30:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:30:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:30:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:30:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:30:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:30:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:30:56,086 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:30:56,087 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:30:56,220 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:30:56,225 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:30:56,225 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-06 19:30:56,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:30:56 BoogieIcfgContainer [2021-12-06 19:30:56,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:30:56,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:30:56,227 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:30:56,230 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:30:56,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:30:56,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:30:55" (1/3) ... [2021-12-06 19:30:56,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cd2757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:30:56, skipping insertion in model container [2021-12-06 19:30:56,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:30:56,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:30:55" (2/3) ... [2021-12-06 19:30:56,232 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cd2757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:30:56, skipping insertion in model container [2021-12-06 19:30:56,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:30:56,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:30:56" (3/3) ... [2021-12-06 19:30:56,233 INFO L388 chiAutomizerObserver]: Analyzing ICFG max05-1.i [2021-12-06 19:30:56,265 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:30:56,265 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:30:56,265 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:30:56,265 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:30:56,265 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:30:56,265 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:30:56,265 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:30:56,265 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:30:56,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:56,293 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-12-06 19:30:56,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:30:56,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:30:56,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:30:56,298 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:30:56,298 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:30:56,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:56,303 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-12-06 19:30:56,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:30:56,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:30:56,304 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:30:56,304 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:30:56,311 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 17#L34-3true [2021-12-06 19:30:56,311 INFO L793 eck$LassoCheckResult]: Loop: 17#L34-3true assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 11#L34-2true main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 17#L34-3true [2021-12-06 19:30:56,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 19:30:56,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:56,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506251291] [2021-12-06 19:30:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:56,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:56,419 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:56,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:56,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:56,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-12-06 19:30:56,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:56,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256892965] [2021-12-06 19:30:56,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:56,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:56,466 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:56,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:56,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:56,478 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-12-06 19:30:56,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:56,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181916087] [2021-12-06 19:30:56,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:56,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:56,503 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:56,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:56,732 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:30:56,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:30:56,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:30:56,733 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:30:56,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:30:56,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:56,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:30:56,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:30:56,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration1_Lasso [2021-12-06 19:30:56,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:30:56,734 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:30:56,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:56,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:57,008 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:30:57,013 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:30:57,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:30:57,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:57,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:57,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:57,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:57,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,052 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:30:57,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:57,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:57,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:57,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:57,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:30:57,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:57,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:57,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:57,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 19:30:57,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:30:57,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:57,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:57,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 19:30:57,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:30:57,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:57,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:57,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:57,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 19:30:57,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,178 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:30:57,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:57,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:57,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 19:30:57,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:30:57,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:57,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:57,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:57,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:30:57,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,247 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:30:57,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:57,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:57,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:57,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:57,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:57,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:57,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:57,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:30:57,286 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-06 19:30:57,286 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-06 19:30:57,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:57,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,289 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:30:57,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:30:57,302 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:30:57,302 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:30:57,302 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-12-06 19:30:57,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 19:30:57,330 INFO L297 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2021-12-06 19:30:57,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:30:57,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:30:57,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:30:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:30:57,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:30:57,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:30:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,442 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 19:30:57,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:57,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 84 states and 119 transitions. Complement of second has 8 states. [2021-12-06 19:30:57,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 19:30:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-12-06 19:30:57,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-06 19:30:57,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:30:57,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 19:30:57,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:30:57,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-06 19:30:57,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:30:57,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2021-12-06 19:30:57,531 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:57,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2021-12-06 19:30:57,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-06 19:30:57,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:30:57,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-12-06 19:30:57,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:30:57,537 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-06 19:30:57,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-12-06 19:30:57,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-12-06 19:30:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-12-06 19:30:57,557 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-06 19:30:57,557 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-12-06 19:30:57,557 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:30:57,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-12-06 19:30:57,559 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:57,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:30:57,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:30:57,559 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 19:30:57,559 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:30:57,560 INFO L791 eck$LassoCheckResult]: Stem: 177#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 188#L34-3 assume !(main_~i~1#1 < 5); 181#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 182#L20-3 [2021-12-06 19:30:57,560 INFO L793 eck$LassoCheckResult]: Loop: 182#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 195#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 196#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 197#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 182#L20-3 [2021-12-06 19:30:57,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-12-06 19:30:57,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:57,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198131680] [2021-12-06 19:30:57,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:57,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:30:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:30:57,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198131680] [2021-12-06 19:30:57,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198131680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:30:57,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:30:57,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:30:57,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848331426] [2021-12-06 19:30:57,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:30:57,599 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:30:57,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:57,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2021-12-06 19:30:57,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:57,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896464272] [2021-12-06 19:30:57,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:57,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:57,609 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:57,616 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:57,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:30:57,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:30:57,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:30:57,664 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:57,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:30:57,672 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-12-06 19:30:57,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:30:57,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-12-06 19:30:57,675 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:57,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2021-12-06 19:30:57,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 19:30:57,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:30:57,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-12-06 19:30:57,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:30:57,676 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-12-06 19:30:57,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-12-06 19:30:57,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-12-06 19:30:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-12-06 19:30:57,678 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-12-06 19:30:57,678 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-12-06 19:30:57,678 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:30:57,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-12-06 19:30:57,679 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:57,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:30:57,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:30:57,679 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 19:30:57,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:30:57,680 INFO L791 eck$LassoCheckResult]: Stem: 234#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 245#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 248#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 249#L34-3 assume !(main_~i~1#1 < 5); 238#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 239#L20-3 [2021-12-06 19:30:57,680 INFO L793 eck$LassoCheckResult]: Loop: 239#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 252#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 253#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 254#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 239#L20-3 [2021-12-06 19:30:57,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:57,680 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-12-06 19:30:57,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:57,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385659219] [2021-12-06 19:30:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:57,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:30:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:30:57,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385659219] [2021-12-06 19:30:57,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385659219] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:30:57,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700693020] [2021-12-06 19:30:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:57,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:30:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,712 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 19:30:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:30:57,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 19:30:57,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:30:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:30:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700693020] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:30:57,769 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:30:57,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 19:30:57,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105907272] [2021-12-06 19:30:57,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:30:57,770 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:30:57,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:57,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2021-12-06 19:30:57,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:57,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923834607] [2021-12-06 19:30:57,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:57,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:57,775 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:57,779 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:57,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:30:57,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:30:57,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:30:57,817 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:30:57,840 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-12-06 19:30:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:30:57,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-12-06 19:30:57,842 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:57,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2021-12-06 19:30:57,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 19:30:57,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:30:57,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-12-06 19:30:57,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:30:57,844 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-06 19:30:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-12-06 19:30:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-12-06 19:30:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 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) [2021-12-06 19:30:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-12-06 19:30:57,847 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-06 19:30:57,848 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-06 19:30:57,848 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 19:30:57,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-12-06 19:30:57,849 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:57,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:30:57,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:30:57,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-12-06 19:30:57,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:30:57,850 INFO L791 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 331#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 341#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 344#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 345#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 353#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 358#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 357#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 356#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 355#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 354#L34-3 assume !(main_~i~1#1 < 5); 334#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 335#L20-3 [2021-12-06 19:30:57,850 INFO L793 eck$LassoCheckResult]: Loop: 335#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 348#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 349#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 350#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 335#L20-3 [2021-12-06 19:30:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2021-12-06 19:30:57,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:57,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124765547] [2021-12-06 19:30:57,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:57,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:30:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:30:57,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124765547] [2021-12-06 19:30:57,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124765547] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:30:57,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318518169] [2021-12-06 19:30:57,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 19:30:57,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:30:57,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:57,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 19:30:57,937 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:30:57,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 19:30:57,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 19:30:57,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 19:30:57,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:30:57,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:30:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:57,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:30:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:30:58,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318518169] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:30:58,026 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:30:58,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2021-12-06 19:30:58,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003637068] [2021-12-06 19:30:58,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:30:58,027 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:30:58,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:58,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2021-12-06 19:30:58,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:58,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406065848] [2021-12-06 19:30:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:58,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:58,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:30:58,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:30:58,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:30:58,081 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 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) [2021-12-06 19:30:58,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:30:58,100 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-12-06 19:30:58,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:30:58,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-12-06 19:30:58,103 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:58,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 40 transitions. [2021-12-06 19:30:58,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 19:30:58,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 19:30:58,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 40 transitions. [2021-12-06 19:30:58,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:30:58,104 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-06 19:30:58,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 40 transitions. [2021-12-06 19:30:58,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-12-06 19:30:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:30:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-12-06 19:30:58,108 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-06 19:30:58,108 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-06 19:30:58,108 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 19:30:58,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-12-06 19:30:58,109 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-12-06 19:30:58,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:30:58,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:30:58,109 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2021-12-06 19:30:58,109 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:30:58,110 INFO L791 eck$LassoCheckResult]: Stem: 473#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 474#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 482#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 485#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 486#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 494#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 501#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 500#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 499#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 498#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 497#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 496#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 495#L34-3 assume !(main_~i~1#1 < 5); 475#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 476#L20-3 [2021-12-06 19:30:58,110 INFO L793 eck$LassoCheckResult]: Loop: 476#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 489#L21 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 490#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 491#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 476#L20-3 [2021-12-06 19:30:58,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:58,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2021-12-06 19:30:58,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:58,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627468761] [2021-12-06 19:30:58,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:58,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,129 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,150 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:58,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:58,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2021-12-06 19:30:58,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:58,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133236499] [2021-12-06 19:30:58,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:58,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,156 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:58,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:30:58,162 INFO L85 PathProgramCache]: Analyzing trace with hash -743539014, now seen corresponding path program 1 times [2021-12-06 19:30:58,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:30:58,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721196737] [2021-12-06 19:30:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:30:58,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:30:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,184 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:30:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:30:58,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:30:58,826 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:30:58,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:30:58,826 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:30:58,826 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:30:58,826 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:30:58,826 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:58,826 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:30:58,826 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:30:58,826 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration5_Lasso [2021-12-06 19:30:58,826 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:30:58,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:30:58,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:58,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:59,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:59,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:59,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:30:59,261 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:30:59,261 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:30:59,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,262 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:30:59,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 19:30:59,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,293 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:30:59,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:30:59,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,322 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:30:59,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:59,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 19:30:59,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,353 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:30:59,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 19:30:59,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,389 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:30:59,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 19:30:59,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,418 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:30:59,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:59,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,447 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:30:59,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 19:30:59,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,475 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:30:59,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:59,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 19:30:59,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,507 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:30:59,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:59,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,536 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:30:59,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:59,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,566 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 19:30:59,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 19:30:59,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,596 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 19:30:59,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 19:30:59,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,625 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 19:30:59,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 19:30:59,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,655 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 19:30:59,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 19:30:59,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,683 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 19:30:59,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:59,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,713 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 19:30:59,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 19:30:59,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,742 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 19:30:59,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 19:30:59,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,771 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 19:30:59,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 19:30:59,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,800 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 19:30:59,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-06 19:30:59,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,828 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 19:30:59,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,836 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:30:59,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:30:59,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:30:59,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 19:30:59,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,856 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 19:30:59,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:59,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 19:30:59,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,890 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 19:30:59,891 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 [2021-12-06 19:30:59,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:59,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 19:30:59,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,922 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 19:30:59,923 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 [2021-12-06 19:30:59,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:59,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 19:30:59,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,956 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 19:30:59,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:30:59,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:30:59,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 19:30:59,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:30:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:30:59,989 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:30:59,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 19:30:59,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:30:59,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:30:59,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:30:59,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:30:59,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:30:59,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:30:59,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 19:31:00,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,020 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 19:31:00,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 19:31:00,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,050 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 19:31:00,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:00,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,081 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 19:31:00,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 19:31:00,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,112 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 19:31:00,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:00,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,143 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 19:31:00,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:00,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,176 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 19:31:00,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 19:31:00,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,206 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 19:31:00,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:00,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,240 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 19:31:00,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 19:31:00,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,274 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 19:31:00,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:00,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 19:31:00,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,306 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 19:31:00,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:00,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:00,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:00,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:00,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:00,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:00,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:00,326 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:31:00,343 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-06 19:31:00,343 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-12-06 19:31:00,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:00,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,344 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 19:31:00,345 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:31:00,352 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:31:00,352 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:31:00,352 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0#1) = -2*ULTIMATE.start_max_~i~0#1 + 9 Supporting invariants [] [2021-12-06 19:31:00,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 19:31:00,432 INFO L297 tatePredicateManager]: 29 out of 29 supporting invariants were superfluous and have been removed [2021-12-06 19:31:00,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 19:31:00,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:31:00,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:31:00,478 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 19:31:00,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 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) [2021-12-06 19:31:00,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. 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 39 states and 50 transitions. Complement of second has 7 states. [2021-12-06 19:31:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 19:31:00,489 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) [2021-12-06 19:31:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-12-06 19:31:00,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-06 19:31:00,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:31:00,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 18 letters. Loop has 4 letters. [2021-12-06 19:31:00,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:31:00,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 14 letters. Loop has 8 letters. [2021-12-06 19:31:00,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:31:00,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-12-06 19:31:00,491 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:00,491 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 34 states and 42 transitions. [2021-12-06 19:31:00,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-06 19:31:00,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-12-06 19:31:00,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-12-06 19:31:00,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:31:00,492 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-06 19:31:00,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-12-06 19:31:00,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-12-06 19:31:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:00,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-12-06 19:31:00,494 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-06 19:31:00,494 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-06 19:31:00,494 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 19:31:00,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-12-06 19:31:00,494 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:00,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:31:00,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:31:00,495 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:00,495 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:31:00,495 INFO L791 eck$LassoCheckResult]: Stem: 739#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 740#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 748#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 751#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 752#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 761#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 768#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 767#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 766#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 765#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 764#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 763#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 762#L34-3 assume !(main_~i~1#1 < 5); 741#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 742#L20-3 assume !(max_~i~0#1 < 5); 749#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 750#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 747#L20-8 [2021-12-06 19:31:00,495 INFO L793 eck$LassoCheckResult]: Loop: 747#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 735#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 736#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 753#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 747#L20-8 [2021-12-06 19:31:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581251, now seen corresponding path program 1 times [2021-12-06 19:31:00,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:00,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977852154] [2021-12-06 19:31:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 19:31:00,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:31:00,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977852154] [2021-12-06 19:31:00,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977852154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:31:00,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:31:00,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:31:00,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281621144] [2021-12-06 19:31:00,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:31:00,516 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:31:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2021-12-06 19:31:00,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:00,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832081733] [2021-12-06 19:31:00,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:00,519 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:00,522 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:00,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:31:00,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:31:00,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:31:00,553 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 13 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) [2021-12-06 19:31:00,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:31:00,570 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2021-12-06 19:31:00,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:31:00,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 55 transitions. [2021-12-06 19:31:00,571 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:00,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 55 transitions. [2021-12-06 19:31:00,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-12-06 19:31:00,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-06 19:31:00,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 55 transitions. [2021-12-06 19:31:00,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:31:00,573 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 55 transitions. [2021-12-06 19:31:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 55 transitions. [2021-12-06 19:31:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2021-12-06 19:31:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-12-06 19:31:00,575 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-12-06 19:31:00,575 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-12-06 19:31:00,575 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 19:31:00,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-12-06 19:31:00,575 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:00,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:31:00,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:31:00,576 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:00,576 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:31:00,576 INFO L791 eck$LassoCheckResult]: Stem: 822#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 823#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 833#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 836#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 837#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 847#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 854#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 853#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 852#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 851#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 850#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 849#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 848#L34-3 assume !(main_~i~1#1 < 5); 826#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 827#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 840#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 842#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 843#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 841#L20-3 assume !(max_~i~0#1 < 5); 834#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 835#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 832#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 820#L21-3 [2021-12-06 19:31:00,576 INFO L793 eck$LassoCheckResult]: Loop: 820#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 821#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 838#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 846#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 820#L21-3 [2021-12-06 19:31:00,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1336698829, now seen corresponding path program 1 times [2021-12-06 19:31:00,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:00,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692296712] [2021-12-06 19:31:00,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 19:31:00,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:31:00,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692296712] [2021-12-06 19:31:00,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692296712] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:31:00,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000898515] [2021-12-06 19:31:00,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:31:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,608 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-12-06 19:31:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 19:31:00,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 19:31:00,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:31:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 19:31:00,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000898515] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:31:00,694 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:31:00,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-06 19:31:00,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580021230] [2021-12-06 19:31:00,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:31:00,695 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:31:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2021-12-06 19:31:00,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:00,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353559029] [2021-12-06 19:31:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:00,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:00,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:00,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:31:00,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:31:00,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:31:00,751 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 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) [2021-12-06 19:31:00,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:31:00,797 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2021-12-06 19:31:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:31:00,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2021-12-06 19:31:00,799 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:00,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 72 states and 88 transitions. [2021-12-06 19:31:00,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2021-12-06 19:31:00,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-12-06 19:31:00,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 88 transitions. [2021-12-06 19:31:00,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:31:00,800 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 88 transitions. [2021-12-06 19:31:00,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 88 transitions. [2021-12-06 19:31:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2021-12-06 19:31:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 58 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2021-12-06 19:31:00,803 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-12-06 19:31:00,803 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-12-06 19:31:00,803 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 19:31:00,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 72 transitions. [2021-12-06 19:31:00,804 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:00,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:31:00,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:31:00,805 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:00,805 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:31:00,805 INFO L791 eck$LassoCheckResult]: Stem: 1067#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1068#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1076#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1079#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1080#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1092#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1105#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1103#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1101#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1098#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1097#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1096#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1095#L34-3 assume !(main_~i~1#1 < 5); 1069#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1070#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1084#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1087#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1088#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1085#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1086#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1113#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1111#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1110#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1109#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1108#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1107#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1106#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1100#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1104#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1102#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1099#L20-3 assume !(max_~i~0#1 < 5); 1077#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1078#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1089#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1121#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1081#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1082#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1075#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1063#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1064#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1120#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1119#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1118#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1117#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1116#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1115#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1094#L21-3 [2021-12-06 19:31:00,805 INFO L793 eck$LassoCheckResult]: Loop: 1094#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1114#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1112#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1093#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1094#L21-3 [2021-12-06 19:31:00,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2023971731, now seen corresponding path program 1 times [2021-12-06 19:31:00,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:00,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313151967] [2021-12-06 19:31:00,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-06 19:31:00,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:31:00,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313151967] [2021-12-06 19:31:00,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313151967] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:31:00,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464394088] [2021-12-06 19:31:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:31:00,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:00,858 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:31:00,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-12-06 19:31:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:00,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 19:31:00,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-06 19:31:00,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:31:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-06 19:31:00,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464394088] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:31:00,994 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:31:00,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2021-12-06 19:31:00,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954152289] [2021-12-06 19:31:00,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:31:00,994 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 19:31:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2021-12-06 19:31:00,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:00,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174082008] [2021-12-06 19:31:00,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:00,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:01,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 19:31:01,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:31:01,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:31:01,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:31:01,061 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:01,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:31:01,117 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2021-12-06 19:31:01,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:31:01,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2021-12-06 19:31:01,119 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:01,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 84 states and 103 transitions. [2021-12-06 19:31:01,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-12-06 19:31:01,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-12-06 19:31:01,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 103 transitions. [2021-12-06 19:31:01,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:31:01,121 INFO L681 BuchiCegarLoop]: Abstraction has 84 states and 103 transitions. [2021-12-06 19:31:01,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 103 transitions. [2021-12-06 19:31:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2021-12-06 19:31:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2238805970149254) internal successors, (82), 66 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:01,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2021-12-06 19:31:01,126 INFO L704 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-12-06 19:31:01,126 INFO L587 BuchiCegarLoop]: Abstraction has 67 states and 82 transitions. [2021-12-06 19:31:01,126 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 19:31:01,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 82 transitions. [2021-12-06 19:31:01,126 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-12-06 19:31:01,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:31:01,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:31:01,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:01,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 19:31:01,129 INFO L791 eck$LassoCheckResult]: Stem: 1491#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1492#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1501#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1504#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1505#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1518#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1531#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1529#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1527#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1524#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1523#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1522#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1521#L34-3 assume !(main_~i~1#1 < 5); 1493#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1494#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1508#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1544#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1543#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1509#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1510#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1511#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1512#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1513#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1541#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1539#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1537#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1536#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1535#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1534#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1533#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1532#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1526#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1530#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1528#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1525#L20-3 assume !(max_~i~0#1 < 5); 1502#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1503#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1499#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1500#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1553#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1516#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1517#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1487#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1488#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1506#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1552#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1551#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1550#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1549#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1548#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1547#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1546#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1545#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1542#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1520#L21-3 [2021-12-06 19:31:01,129 INFO L793 eck$LassoCheckResult]: Loop: 1520#L21-3 assume max_~ret~0#1 < max_#t~mem2#1;call max_#t~mem3#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4);max_#t~ite4#1 := max_#t~mem3#1; 1540#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1538#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1519#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1520#L21-3 [2021-12-06 19:31:01,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:01,129 INFO L85 PathProgramCache]: Analyzing trace with hash 669208243, now seen corresponding path program 2 times [2021-12-06 19:31:01,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:01,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944519800] [2021-12-06 19:31:01,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,160 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:01,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2021-12-06 19:31:01,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:01,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711522949] [2021-12-06 19:31:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:01,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:01,201 INFO L85 PathProgramCache]: Analyzing trace with hash -746698386, now seen corresponding path program 1 times [2021-12-06 19:31:01,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:01,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800632427] [2021-12-06 19:31:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-06 19:31:01,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:31:01,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800632427] [2021-12-06 19:31:01,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800632427] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:31:01,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276321143] [2021-12-06 19:31:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:31:01,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:01,260 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:31:01,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-12-06 19:31:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:01,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 19:31:01,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-06 19:31:01,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:31:01,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276321143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:31:01,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:31:01,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-12-06 19:31:01,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646694460] [2021-12-06 19:31:01,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:31:01,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:31:01,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:31:01,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:31:01,425 INFO L87 Difference]: Start difference. First operand 67 states and 82 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:01,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:31:01,489 INFO L93 Difference]: Finished difference Result 84 states and 100 transitions. [2021-12-06 19:31:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:31:01,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 100 transitions. [2021-12-06 19:31:01,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:31:01,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 62 states and 73 transitions. [2021-12-06 19:31:01,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-06 19:31:01,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-12-06 19:31:01,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 73 transitions. [2021-12-06 19:31:01,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:31:01,493 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-12-06 19:31:01,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 73 transitions. [2021-12-06 19:31:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-06 19:31:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 61 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2021-12-06 19:31:01,497 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-12-06 19:31:01,497 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2021-12-06 19:31:01,497 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 19:31:01,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 73 transitions. [2021-12-06 19:31:01,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 19:31:01,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:31:01,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:31:01,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:31:01,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 19:31:01,500 INFO L791 eck$LassoCheckResult]: Stem: 1827#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1828#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1835#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1838#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1839#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1847#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1861#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1859#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1857#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1855#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1853#L34-3 assume !!(main_~i~1#1 < 5);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1850#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1849#L34-3 assume !(main_~i~1#1 < 5); 1829#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1830#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1842#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1843#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1844#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1845#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1884#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1883#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1882#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1881#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1880#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1879#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1878#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1877#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1876#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1875#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1874#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1873#L20-3 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1872#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1871#L21-2 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1870#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1869#L20-3 assume !(max_~i~0#1 < 5); 1836#L20-4 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1837#L23 main_#t~ret7#1 := max_#res#1;assume { :end_inline_max } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 1833#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1834#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1840#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1841#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1846#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1823#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1824#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1868#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1867#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1866#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1865#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1864#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1863#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1862#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1860#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1858#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1856#L20-8 assume !!(max_~i~0#1 < 5);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1854#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1852#L21-5 max_~ret~0#1 := max_#t~ite4#1;havoc max_#t~mem2#1;havoc max_#t~ite4#1;havoc max_#t~mem3#1; 1851#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1848#L20-8 assume !(max_~i~0#1 < 5); 1825#L20-9 max_#res#1 := (if max_~ret~0#1 % 4294967296 <= 2147483647 then max_~ret~0#1 % 4294967296 else max_~ret~0#1 % 4294967296 - 4294967296); 1826#L23-1 main_#t~ret10#1 := max_#res#1;assume { :end_inline_max } true;main_~ret2~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem11#1;havoc main_#t~mem11#1;main_~i~2#1 := 0; 1832#L43-3 [2021-12-06 19:31:01,500 INFO L793 eck$LassoCheckResult]: Loop: 1832#L43-3 assume !!(main_~i~2#1 < 4);call main_#t~mem13#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem13#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem13#1; 1831#L43-2 main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1832#L43-3 [2021-12-06 19:31:01,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:01,501 INFO L85 PathProgramCache]: Analyzing trace with hash -260352212, now seen corresponding path program 1 times [2021-12-06 19:31:01,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:01,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997963642] [2021-12-06 19:31:01,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,538 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:01,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2021-12-06 19:31:01,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:01,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216393975] [2021-12-06 19:31:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,580 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,582 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:01,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:01,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1090370322, now seen corresponding path program 1 times [2021-12-06 19:31:01,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:31:01,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675310102] [2021-12-06 19:31:01,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:31:01,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:31:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,606 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:31:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:31:01,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:31:05,852 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:31:05,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:31:05,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:31:05,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:31:05,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:31:05,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:05,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:31:05,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:31:05,852 INFO L133 ssoRankerPreferences]: Filename of dumped script: max05-1.i_Iteration10_Lasso [2021-12-06 19:31:05,852 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:31:05,852 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:31:05,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:05,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:05,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:31:06,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:31:06,787 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:31:06,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,788 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 19:31:06,790 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 [2021-12-06 19:31:06,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:31:06,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:31:06,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:31:06,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:06,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 19:31:06,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,818 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 19:31:06,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:06,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:06,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:06,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:06,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 19:31:06,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,848 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 19:31:06,850 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 [2021-12-06 19:31:06,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:06,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:06,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:06,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 19:31:06,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,882 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 19:31:06,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:06,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:06,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:06,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:06,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 19:31:06,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,914 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 19:31:06,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:06,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:06,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:06,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:06,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 19:31:06,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,944 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 19:31:06,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:06,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:06,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:06,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:06,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 19:31:06,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:06,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:06,977 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:06,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 19:31:06,978 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 [2021-12-06 19:31:06,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:06,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:06,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:06,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:06,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:06,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:06,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:07,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,007 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 19:31:07,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 19:31:07,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,038 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 19:31:07,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:07,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,069 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 19:31:07,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 19:31:07,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,099 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 19:31:07,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-06 19:31:07,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,133 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 19:31:07,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 19:31:07,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,164 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 19:31:07,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 19:31:07,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,194 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 19:31:07,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,204 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:31:07,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 19:31:07,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,225 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 19:31:07,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 19:31:07,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:31:07,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:31:07,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:31:07,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:31:07,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:31:07,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:31:07,250 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:31:07,269 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-06 19:31:07,269 INFO L444 ModelExtractionUtils]: 11 out of 28 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-12-06 19:31:07,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:31:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:31:07,270 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:31:07,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 19:31:07,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:31:07,279 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:31:07,279 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:31:07,280 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~i~2#1) = 7*ULTIMATE.start_main_~i~1#1 - 10*ULTIMATE.start_main_~i~2#1 Supporting invariants [] [2021-12-06 19:31:07,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 19:31:07,440 INFO L297 tatePredicateManager]: 44 out of 46 supporting invariants were superfluous and have been removed [2021-12-06 19:31:07,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:31:07,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 19:31:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:07,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 19:31:07,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:31:07,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:31:07,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:31:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:31:07,947 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2021-12-06 19:31:07,947 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:08,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 13. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 64 states and 76 transitions. Complement of second has 11 states. [2021-12-06 19:31:08,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 8 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 19:31:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:31:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 33 transitions. [2021-12-06 19:31:08,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 33 transitions. Stem has 60 letters. Loop has 2 letters. [2021-12-06 19:31:08,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:31:08,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 33 transitions. Stem has 62 letters. Loop has 2 letters. [2021-12-06 19:31:08,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:31:08,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 33 transitions. Stem has 60 letters. Loop has 4 letters. [2021-12-06 19:31:08,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:31:08,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 76 transitions. [2021-12-06 19:31:08,030 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:31:08,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2021-12-06 19:31:08,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 19:31:08,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 19:31:08,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 19:31:08,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:31:08,030 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:31:08,030 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:31:08,030 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:31:08,030 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 19:31:08,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:31:08,031 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:31:08,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 19:31:08,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 07:31:08 BoogieIcfgContainer [2021-12-06 19:31:08,035 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 19:31:08,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:31:08,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:31:08,036 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:31:08,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:30:56" (3/4) ... [2021-12-06 19:31:08,038 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:31:08,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:31:08,039 INFO L158 Benchmark]: Toolchain (without parser) took 12344.38ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 104.3MB in the beginning and 63.9MB in the end (delta: 40.4MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2021-12-06 19:31:08,039 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:31:08,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.38ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 116.8MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:31:08,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.92ms. Allocated memory is still 140.5MB. Free memory was 116.8MB in the beginning and 114.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:31:08,040 INFO L158 Benchmark]: Boogie Preprocessor took 28.84ms. Allocated memory is still 140.5MB. Free memory was 114.9MB in the beginning and 113.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:31:08,040 INFO L158 Benchmark]: RCFGBuilder took 261.94ms. Allocated memory is still 140.5MB. Free memory was 113.5MB in the beginning and 100.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 19:31:08,040 INFO L158 Benchmark]: BuchiAutomizer took 11808.30ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 100.8MB in the beginning and 63.9MB in the end (delta: 36.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2021-12-06 19:31:08,040 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 169.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:31:08,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.38ms. Allocated memory is still 140.5MB. Free memory was 104.1MB in the beginning and 116.8MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.92ms. Allocated memory is still 140.5MB. Free memory was 116.8MB in the beginning and 114.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.84ms. Allocated memory is still 140.5MB. Free memory was 114.9MB in the beginning and 113.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.94ms. Allocated memory is still 140.5MB. Free memory was 113.5MB in the beginning and 100.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 11808.30ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 100.8MB in the beginning and 63.9MB in the end (delta: 36.9MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 169.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -8 * i + 9 * unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function 9 + -2 * i and consists of 4 locations. One deterministic module has affine ranking function 7 * i + -10 * i and consists of 10 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.7s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 10.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 41 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 67 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 343 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 341 mSDsluCounter, 695 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 451 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 244 mSDtfsCounter, 346 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital299 mio100 ax100 hnf99 lsp96 ukn67 mio100 lsp38 div100 bol100 ite100 ukn100 eq170 hnf91 smp99 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 19:31:08,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2021-12-06 19:31:08,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2021-12-06 19:31:08,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-12-06 19:31:08,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 19:31:08,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 19:31:09,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfe0cf0d-4127-4aa0-b40f-9e5f8035f616/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE