./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ --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 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:44:17,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:44:17,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:44:18,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:44:18,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:44:18,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:44:18,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:44:18,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:44:18,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:44:18,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:44:18,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:44:18,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:44:18,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:44:18,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:44:18,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:44:18,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:44:18,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:44:18,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:44:18,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:44:18,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:44:18,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:44:18,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:44:18,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:44:18,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:44:18,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:44:18,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:44:18,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:44:18,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:44:18,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:44:18,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:44:18,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:44:18,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:44:18,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:44:18,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:44:18,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:44:18,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:44:18,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:44:18,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:44:18,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:44:18,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:44:18,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:44:18,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:44:18,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:44:18,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:44:18,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:44:18,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:44:18,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:44:18,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:44:18,183 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:44:18,183 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:44:18,201 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:44:18,202 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:44:18,202 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:44:18,202 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:44:18,202 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:44:18,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:44:18,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:44:18,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:44:18,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:44:18,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:44:18,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:44:18,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:44:18,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:44:18,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:44:18,204 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:44:18,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:44:18,204 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:44:18,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:44:18,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:44:18,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:44:18,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:44:18,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:44:18,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:44:18,207 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:44:18,207 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_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2022-10-17 10:44:18,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:44:18,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:44:18,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:44:18,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:44:18,577 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:44:18,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2022-10-17 10:44:18,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/data/4d1da0b31/dc89cf3910324e2d8813c4ed7e6fa84a/FLAG5482033e7 [2022-10-17 10:44:19,204 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:44:19,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/sv-benchmarks/c/reducercommutativity/max10-1.i [2022-10-17 10:44:19,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/data/4d1da0b31/dc89cf3910324e2d8813c4ed7e6fa84a/FLAG5482033e7 [2022-10-17 10:44:19,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/data/4d1da0b31/dc89cf3910324e2d8813c4ed7e6fa84a [2022-10-17 10:44:19,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:44:19,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:44:19,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:19,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:44:19,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:44:19,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e90283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19, skipping insertion in model container [2022-10-17 10:44:19,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:44:19,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:44:19,819 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_63cc64e2-e531-4e90-97e3-8edad1632f6f/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-10-17 10:44:19,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:19,830 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:44:19,854 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_63cc64e2-e531-4e90-97e3-8edad1632f6f/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2022-10-17 10:44:19,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:19,879 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:44:19,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19 WrapperNode [2022-10-17 10:44:19,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:19,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:19,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:44:19,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:44:19,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,937 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2022-10-17 10:44:19,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:19,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:44:19,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:44:19,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:44:19,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,992 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:19,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:20,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:44:20,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:44:20,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:44:20,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:44:20,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (1/1) ... [2022-10-17 10:44:20,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:20,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:20,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:20,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:44:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:44:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:44:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:44:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:44:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:44:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:44:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:44:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:44:20,256 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:44:20,258 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:44:20,587 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:44:20,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:44:20,595 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 10:44:20,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:20 BoogieIcfgContainer [2022-10-17 10:44:20,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:44:20,599 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:44:20,599 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:44:20,604 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:44:20,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:44:20,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:44:19" (1/3) ... [2022-10-17 10:44:20,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a9a55b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:44:20, skipping insertion in model container [2022-10-17 10:44:20,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:44:20,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:19" (2/3) ... [2022-10-17 10:44:20,608 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a9a55b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:44:20, skipping insertion in model container [2022-10-17 10:44:20,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:44:20,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:20" (3/3) ... [2022-10-17 10:44:20,610 INFO L332 chiAutomizerObserver]: Analyzing ICFG max10-1.i [2022-10-17 10:44:20,691 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:44:20,691 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:44:20,691 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:44:20,692 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:44:20,692 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:44:20,692 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:44:20,692 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:44:20,692 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:44:20,705 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) [2022-10-17 10:44:20,742 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2022-10-17 10:44:20,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:20,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:20,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:44:20,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:44:20,754 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:44:20,755 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) [2022-10-17 10:44:20,757 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2022-10-17 10:44:20,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:20,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:20,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:44:20,760 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:44:20,768 INFO L748 eck$LassoCheckResult]: Stem: 18#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); 7#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(40);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; 16#L34-3true [2022-10-17 10:44:20,769 INFO L750 eck$LassoCheckResult]: Loop: 16#L34-3true assume !!(main_~i~1#1 < 10);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; 10#L34-2true main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 16#L34-3true [2022-10-17 10:44:20,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:20,781 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:44:20,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:20,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052719405] [2022-10-17 10:44:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:20,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:21,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:21,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:21,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-10-17 10:44:21,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:21,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452218111] [2022-10-17 10:44:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:21,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:21,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:21,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-10-17 10:44:21,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:21,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67536867] [2022-10-17 10:44:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:21,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:21,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:21,582 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:44:21,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:44:21,583 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:44:21,583 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:44:21,583 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:44:21,583 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:21,583 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:44:21,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:44:21,585 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration1_Lasso [2022-10-17 10:44:21,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:44:21,586 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:44:21,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,945 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:21,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:22,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:44:22,230 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:44:22,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:22,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:22,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:22,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:44:22,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,310 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:44:22,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:22,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:22,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:22,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,388 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:22,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:22,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:22,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:44:22,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:44:22,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:22,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:22,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:22,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:22,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:22,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:44:22,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:22,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:22,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:22,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:44:22,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:44:22,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:22,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:22,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,749 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:22,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:22,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:44:22,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:22,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:22,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,805 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:44:22,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:22,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:22,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:22,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:22,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:22,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:22,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:22,857 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:44:22,912 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-10-17 10:44:22,912 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-10-17 10:44:22,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:22,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:22,925 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:22,941 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:44:22,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:44:23,002 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:44:23,003 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:44:23,003 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) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2022-10-17 10:44:23,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:23,102 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-10-17 10:44:23,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:23,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:44:23,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:23,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:44:23,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:23,287 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:44:23,289 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) [2022-10-17 10:44:23,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:23,456 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. [2022-10-17 10:44:23,458 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 [2022-10-17 10:44:23,469 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) [2022-10-17 10:44:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2022-10-17 10:44:23,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2022-10-17 10:44:23,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:44:23,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2022-10-17 10:44:23,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:44:23,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2022-10-17 10:44:23,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:44:23,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2022-10-17 10:44:23,492 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:23,495 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2022-10-17 10:44:23,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-10-17 10:44:23,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-10-17 10:44:23,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2022-10-17 10:44:23,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:23,498 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-10-17 10:44:23,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2022-10-17 10:44:23,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-10-17 10:44:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-10-17 10:44:23,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-10-17 10:44:23,531 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-10-17 10:44:23,531 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:44:23,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2022-10-17 10:44:23,533 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:23,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:23,533 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:23,534 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:44:23,534 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:23,534 INFO L748 eck$LassoCheckResult]: Stem: 176#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); 177#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(40);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; 187#L34-3 assume !(main_~i~1#1 < 10); 180#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; 181#L20-3 [2022-10-17 10:44:23,534 INFO L750 eck$LassoCheckResult]: Loop: 181#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 194#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; 195#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; 196#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 181#L20-3 [2022-10-17 10:44:23,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:23,536 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2022-10-17 10:44:23,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:23,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860757620] [2022-10-17 10:44:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:23,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:23,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860757620] [2022-10-17 10:44:23,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860757620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:23,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:23,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:44:23,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897392106] [2022-10-17 10:44:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:23,647 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:44:23,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:23,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2022-10-17 10:44:23,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:23,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485815952] [2022-10-17 10:44:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:23,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:23,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:23,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:23,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:23,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:44:23,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:44:23,724 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) [2022-10-17 10:44:23,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:23,742 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2022-10-17 10:44:23,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2022-10-17 10:44:23,745 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:23,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2022-10-17 10:44:23,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-10-17 10:44:23,749 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-10-17 10:44:23,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2022-10-17 10:44:23,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:23,749 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2022-10-17 10:44:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2022-10-17 10:44:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-10-17 10:44:23,751 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) [2022-10-17 10:44:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2022-10-17 10:44:23,752 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-10-17 10:44:23,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:44:23,757 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-10-17 10:44:23,758 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:44:23,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2022-10-17 10:44:23,760 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:23,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:23,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:23,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:44:23,761 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:23,763 INFO L748 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 234#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 244#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 247#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 248#L34-3 assume !(main_~i~1#1 < 10); 237#L34-4 assume { :begin_inline_max } true;max_#in~x#1.base, max_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc max_#res#1;havoc max_#t~mem2#1, max_#t~ite4#1, max_#t~mem3#1, max_#t~post1#1, max_~x#1.base, max_~x#1.offset, max_~i~0#1, max_~ret~0#1;max_~x#1.base, max_~x#1.offset := max_#in~x#1.base, max_#in~x#1.offset;havoc max_~i~0#1;havoc max_~ret~0#1;max_~ret~0#1 := 0;max_~i~0#1 := 0; 238#L20-3 [2022-10-17 10:44:23,763 INFO L750 eck$LassoCheckResult]: Loop: 238#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 251#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; 252#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; 253#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 238#L20-3 [2022-10-17 10:44:23,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:23,764 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2022-10-17 10:44:23,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:23,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077195887] [2022-10-17 10:44:23,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:23,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:23,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:23,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077195887] [2022-10-17 10:44:23,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077195887] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:44:23,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774139900] [2022-10-17 10:44:23,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:44:23,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:23,879 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:44:23,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-17 10:44:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:23,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:44:23,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:23,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:44:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:23,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774139900] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:44:23,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:44:23,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-17 10:44:23,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706695633] [2022-10-17 10:44:23,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:44:23,992 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:44:23,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:23,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2022-10-17 10:44:23,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:24,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488542051] [2022-10-17 10:44:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:24,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:24,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:44:24,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:44:24,083 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) [2022-10-17 10:44:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:24,117 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-10-17 10:44:24,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-10-17 10:44:24,120 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:24,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2022-10-17 10:44:24,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-10-17 10:44:24,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-10-17 10:44:24,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2022-10-17 10:44:24,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:24,126 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-10-17 10:44:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2022-10-17 10:44:24,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-10-17 10:44:24,130 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) [2022-10-17 10:44:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-10-17 10:44:24,132 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-10-17 10:44:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:44:24,133 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-10-17 10:44:24,133 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:44:24,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2022-10-17 10:44:24,137 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:24,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:24,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:24,138 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2022-10-17 10:44:24,138 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:24,138 INFO L748 eck$LassoCheckResult]: Stem: 329#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); 330#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(40);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; 340#L34-3 assume !!(main_~i~1#1 < 10);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; 343#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 344#L34-3 assume !!(main_~i~1#1 < 10);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; 352#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 357#L34-3 assume !!(main_~i~1#1 < 10);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; 356#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 355#L34-3 assume !!(main_~i~1#1 < 10);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; 354#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 353#L34-3 assume !(main_~i~1#1 < 10); 333#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; 334#L20-3 [2022-10-17 10:44:24,138 INFO L750 eck$LassoCheckResult]: Loop: 334#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 347#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; 348#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; 349#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 334#L20-3 [2022-10-17 10:44:24,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:24,139 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2022-10-17 10:44:24,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:24,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796723561] [2022-10-17 10:44:24,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:24,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:24,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:24,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796723561] [2022-10-17 10:44:24,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796723561] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:44:24,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187770505] [2022-10-17 10:44:24,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-17 10:44:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:44:24,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:24,293 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:44:24,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-17 10:44:24,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-17 10:44:24,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-17 10:44:24,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:44:24,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:24,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:44:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:24,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187770505] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:44:24,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:44:24,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-17 10:44:24,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243593577] [2022-10-17 10:44:24,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:44:24,472 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:44:24,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2022-10-17 10:44:24,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:24,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297888753] [2022-10-17 10:44:24,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:24,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:24,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 10:44:24,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-17 10:44:24,553 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:24,608 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2022-10-17 10:44:24,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2022-10-17 10:44:24,610 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:24,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 50 transitions. [2022-10-17 10:44:24,611 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-10-17 10:44:24,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-10-17 10:44:24,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2022-10-17 10:44:24,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:24,612 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-10-17 10:44:24,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2022-10-17 10:44:24,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-10-17 10:44:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-10-17 10:44:24,618 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-10-17 10:44:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-17 10:44:24,619 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-10-17 10:44:24,619 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:44:24,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2022-10-17 10:44:24,620 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2022-10-17 10:44:24,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:24,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:24,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2022-10-17 10:44:24,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:24,621 INFO L748 eck$LassoCheckResult]: Stem: 487#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); 488#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(40);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; 496#L34-3 assume !!(main_~i~1#1 < 10);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; 508#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 509#L34-3 assume !!(main_~i~1#1 < 10);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; 499#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 500#L34-3 assume !!(main_~i~1#1 < 10);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; 525#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 524#L34-3 assume !!(main_~i~1#1 < 10);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; 523#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 522#L34-3 assume !!(main_~i~1#1 < 10);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; 521#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 520#L34-3 assume !!(main_~i~1#1 < 10);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; 519#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 518#L34-3 assume !!(main_~i~1#1 < 10);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; 517#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 516#L34-3 assume !!(main_~i~1#1 < 10);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; 515#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 514#L34-3 assume !!(main_~i~1#1 < 10);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; 513#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 512#L34-3 assume !!(main_~i~1#1 < 10);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; 511#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 510#L34-3 assume !(main_~i~1#1 < 10); 489#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; 490#L20-3 [2022-10-17 10:44:24,621 INFO L750 eck$LassoCheckResult]: Loop: 490#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 503#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; 504#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; 505#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 490#L20-3 [2022-10-17 10:44:24,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:24,622 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2022-10-17 10:44:24,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:24,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139761962] [2022-10-17 10:44:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:24,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:24,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:24,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2022-10-17 10:44:24,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:24,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964219480] [2022-10-17 10:44:24,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:24,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:24,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1776090044, now seen corresponding path program 1 times [2022-10-17 10:44:24,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:24,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219022282] [2022-10-17 10:44:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:24,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:30,052 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 215 DAG size of output: 169 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-10-17 10:44:30,463 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:44:30,463 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:44:30,463 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:44:30,463 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:44:30,463 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:44:30,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:30,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:44:30,464 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:44:30,464 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration5_Lasso [2022-10-17 10:44:30,464 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:44:30,464 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:44:30,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,515 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:30,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:31,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:44:32,138 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:44:32,138 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:44:32,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,142 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:44:32,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,183 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:44:32,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,253 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:44:32,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:32,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:32,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,313 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:44:32,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,374 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:44:32,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,444 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:44:32,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,511 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:44:32,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,582 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:44:32,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:32,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:32,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,661 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:44:32,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,724 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:44:32,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,784 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:44:32,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,816 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:44:32,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,855 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-10-17 10:44:32,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,888 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:44:32,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,921 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,923 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 [2022-10-17 10:44:32,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:44:32,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:44:32,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:44:32,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:44:32,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,953 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:44:32,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:32,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:32,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:32,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:32,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:32,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:32,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:32,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:32,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:32,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:32,991 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:32,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:44:32,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,030 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:44:33,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,064 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:44:33,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,100 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:44:33,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-10-17 10:44:33,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,140 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:44:33,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,179 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:44:33,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,224 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:44:33,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,263 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:44:33,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,310 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:44:33,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,348 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:44:33,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,385 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:44:33,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,421 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:44:33,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:33,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,460 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:44:33,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:44:33,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-10-17 10:44:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,495 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:44:33,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:44:33,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:44:33,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:44:33,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:44:33,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:44:33,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:44:33,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:44:33,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:44:33,571 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2022-10-17 10:44:33,571 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-10-17 10:44:33,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:44:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:33,572 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:33,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:44:33,573 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:44:33,581 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:44:33,581 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:44:33,581 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0#1) = -2*ULTIMATE.start_max_~i~0#1 + 19 Supporting invariants [] [2022-10-17 10:44:33,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-10-17 10:44:33,798 INFO L156 tatePredicateManager]: 38 out of 38 supporting invariants were superfluous and have been removed [2022-10-17 10:44:33,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:44:33,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:33,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:44:33,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:33,945 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-10-17 10:44:33,945 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 50 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) [2022-10-17 10:44:33,968 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 50 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 49 states and 60 transitions. Complement of second has 7 states. [2022-10-17 10:44:33,969 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 [2022-10-17 10:44:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-10-17 10:44:33,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 4 letters. [2022-10-17 10:44:33,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:44:33,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 4 letters. [2022-10-17 10:44:33,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:44:33,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 8 letters. [2022-10-17 10:44:33,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:44:33,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2022-10-17 10:44:33,979 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:33,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 44 states and 52 transitions. [2022-10-17 10:44:33,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-10-17 10:44:33,980 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-10-17 10:44:33,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 52 transitions. [2022-10-17 10:44:33,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:33,981 INFO L218 hiAutomatonCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-10-17 10:44:33,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 52 transitions. [2022-10-17 10:44:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-10-17 10:44:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 43 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2022-10-17 10:44:33,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-10-17 10:44:33,988 INFO L428 stractBuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-10-17 10:44:33,988 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:44:33,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2022-10-17 10:44:33,988 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:33,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:33,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:33,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:33,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:33,990 INFO L748 eck$LassoCheckResult]: Stem: 836#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); 837#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(40);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; 847#L34-3 assume !!(main_~i~1#1 < 10);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; 860#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 861#L34-3 assume !!(main_~i~1#1 < 10);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; 850#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 851#L34-3 assume !!(main_~i~1#1 < 10);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; 877#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 876#L34-3 assume !!(main_~i~1#1 < 10);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; 875#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 874#L34-3 assume !!(main_~i~1#1 < 10);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; 873#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 872#L34-3 assume !!(main_~i~1#1 < 10);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; 871#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 870#L34-3 assume !!(main_~i~1#1 < 10);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; 869#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 868#L34-3 assume !!(main_~i~1#1 < 10);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; 867#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 866#L34-3 assume !!(main_~i~1#1 < 10);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; 865#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 864#L34-3 assume !!(main_~i~1#1 < 10);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; 863#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 862#L34-3 assume !(main_~i~1#1 < 10); 840#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; 841#L20-3 assume !(max_~i~0#1 < 10); 848#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); 849#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; 846#L20-8 [2022-10-17 10:44:33,991 INFO L750 eck$LassoCheckResult]: Loop: 846#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 834#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; 835#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; 852#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 [2022-10-17 10:44:33,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:33,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178489, now seen corresponding path program 1 times [2022-10-17 10:44:33,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:33,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847464536] [2022-10-17 10:44:33,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:33,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:34,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 10:44:34,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:34,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847464536] [2022-10-17 10:44:34,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847464536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:34,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:34,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:44:34,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680704951] [2022-10-17 10:44:34,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:34,095 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:44:34,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2022-10-17 10:44:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:34,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036143349] [2022-10-17 10:44:34,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:34,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:34,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:34,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:34,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:44:34,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:44:34,170 INFO L87 Difference]: Start difference. First operand 44 states and 52 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) [2022-10-17 10:44:34,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:34,210 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2022-10-17 10:44:34,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 65 transitions. [2022-10-17 10:44:34,212 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:34,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 65 transitions. [2022-10-17 10:44:34,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-10-17 10:44:34,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-10-17 10:44:34,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 65 transitions. [2022-10-17 10:44:34,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:34,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 65 transitions. [2022-10-17 10:44:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 65 transitions. [2022-10-17 10:44:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2022-10-17 10:44:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 44 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:34,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2022-10-17 10:44:34,219 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-10-17 10:44:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:44:34,221 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-10-17 10:44:34,221 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:44:34,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 52 transitions. [2022-10-17 10:44:34,222 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:34,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:34,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:34,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:34,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:34,224 INFO L748 eck$LassoCheckResult]: Stem: 943#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); 944#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(40);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; 952#L34-3 assume !!(main_~i~1#1 < 10);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; 955#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 956#L34-3 assume !!(main_~i~1#1 < 10);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; 966#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 983#L34-3 assume !!(main_~i~1#1 < 10);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; 982#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 981#L34-3 assume !!(main_~i~1#1 < 10);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; 980#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 979#L34-3 assume !!(main_~i~1#1 < 10);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; 978#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 977#L34-3 assume !!(main_~i~1#1 < 10);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; 976#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 975#L34-3 assume !!(main_~i~1#1 < 10);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; 974#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 973#L34-3 assume !!(main_~i~1#1 < 10);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; 972#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 971#L34-3 assume !!(main_~i~1#1 < 10);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; 970#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 969#L34-3 assume !!(main_~i~1#1 < 10);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; 968#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 967#L34-3 assume !(main_~i~1#1 < 10); 945#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; 946#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 959#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 961#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; 962#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 960#L20-3 assume !(max_~i~0#1 < 10); 953#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); 954#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; 951#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 939#L21-3 [2022-10-17 10:44:34,224 INFO L750 eck$LassoCheckResult]: Loop: 939#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; 940#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; 957#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 965#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 939#L21-3 [2022-10-17 10:44:34,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:34,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1922451645, now seen corresponding path program 1 times [2022-10-17 10:44:34,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:34,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486645064] [2022-10-17 10:44:34,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,317 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 10:44:34,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:34,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486645064] [2022-10-17 10:44:34,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486645064] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:44:34,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923637937] [2022-10-17 10:44:34,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:44:34,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:34,319 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:44:34,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-10-17 10:44:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:44:34,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 10:44:34,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:44:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 10:44:34,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923637937] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:44:34,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:44:34,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-17 10:44:34,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173012679] [2022-10-17 10:44:34,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:44:34,463 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:44:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2022-10-17 10:44:34,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:34,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355401558] [2022-10-17 10:44:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:34,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:34,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:44:34,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:44:34,570 INFO L87 Difference]: Start difference. First operand 45 states and 52 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) [2022-10-17 10:44:34,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:34,678 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2022-10-17 10:44:34,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 98 transitions. [2022-10-17 10:44:34,679 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:34,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 82 states and 98 transitions. [2022-10-17 10:44:34,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2022-10-17 10:44:34,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-10-17 10:44:34,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 98 transitions. [2022-10-17 10:44:34,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:34,682 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 98 transitions. [2022-10-17 10:44:34,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 98 transitions. [2022-10-17 10:44:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2022-10-17 10:44:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 68 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) [2022-10-17 10:44:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2022-10-17 10:44:34,687 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-10-17 10:44:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:44:34,688 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-10-17 10:44:34,689 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-10-17 10:44:34,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 82 transitions. [2022-10-17 10:44:34,690 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:34,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:34,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:34,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:34,692 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:34,692 INFO L748 eck$LassoCheckResult]: Stem: 1264#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); 1265#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(40);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; 1275#L34-3 assume !!(main_~i~1#1 < 10);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; 1278#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1279#L34-3 assume !!(main_~i~1#1 < 10);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; 1291#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1320#L34-3 assume !!(main_~i~1#1 < 10);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; 1319#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1317#L34-3 assume !!(main_~i~1#1 < 10);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; 1315#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1312#L34-3 assume !!(main_~i~1#1 < 10);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; 1311#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1309#L34-3 assume !!(main_~i~1#1 < 10);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; 1307#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1305#L34-3 assume !!(main_~i~1#1 < 10);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; 1303#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1302#L34-3 assume !!(main_~i~1#1 < 10);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; 1300#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1298#L34-3 assume !!(main_~i~1#1 < 10);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; 1295#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1294#L34-3 assume !!(main_~i~1#1 < 10);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; 1293#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1292#L34-3 assume !(main_~i~1#1 < 10); 1268#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; 1269#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1282#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1327#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; 1325#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1283#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1284#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1285#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; 1286#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1287#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1310#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1308#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; 1306#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1304#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1297#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1301#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; 1299#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1296#L20-3 assume !(max_~i~0#1 < 10); 1276#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); 1277#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; 1274#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1262#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1263#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; 1280#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1290#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1330#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1329#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; 1328#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1326#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1324#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1323#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; 1322#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1321#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1314#L21-3 [2022-10-17 10:44:34,693 INFO L750 eck$LassoCheckResult]: Loop: 1314#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; 1318#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; 1316#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1313#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1314#L21-3 [2022-10-17 10:44:34,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:34,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1948283363, now seen corresponding path program 1 times [2022-10-17 10:44:34,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:34,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630856689] [2022-10-17 10:44:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-10-17 10:44:34,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:34,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630856689] [2022-10-17 10:44:34,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630856689] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:44:34,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932428413] [2022-10-17 10:44:34,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:34,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:44:34,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:34,873 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:44:34,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-10-17 10:44:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:34,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:44:34,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-10-17 10:44:35,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:44:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-10-17 10:44:35,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932428413] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:44:35,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:44:35,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-17 10:44:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030588705] [2022-10-17 10:44:35,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:44:35,102 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:44:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2022-10-17 10:44:35,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:35,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654643742] [2022-10-17 10:44:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:35,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:35,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:35,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:35,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 10:44:35,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-17 10:44:35,198 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:35,447 INFO L93 Difference]: Finished difference Result 154 states and 188 transitions. [2022-10-17 10:44:35,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 188 transitions. [2022-10-17 10:44:35,448 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:35,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 188 transitions. [2022-10-17 10:44:35,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2022-10-17 10:44:35,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2022-10-17 10:44:35,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 188 transitions. [2022-10-17 10:44:35,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:35,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 154 states and 188 transitions. [2022-10-17 10:44:35,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 188 transitions. [2022-10-17 10:44:35,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 117. [2022-10-17 10:44:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 116 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2022-10-17 10:44:35,459 INFO L240 hiAutomatonCegarLoop]: Abstraction has 117 states and 142 transitions. [2022-10-17 10:44:35,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-17 10:44:35,460 INFO L428 stractBuchiCegarLoop]: Abstraction has 117 states and 142 transitions. [2022-10-17 10:44:35,460 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-10-17 10:44:35,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 142 transitions. [2022-10-17 10:44:35,461 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-10-17 10:44:35,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:35,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:35,464 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:35,464 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-10-17 10:44:35,465 INFO L748 eck$LassoCheckResult]: Stem: 1833#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); 1834#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(40);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; 1845#L34-3 assume !!(main_~i~1#1 < 10);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; 1848#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 < 10);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; 1861#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1891#L34-3 assume !!(main_~i~1#1 < 10);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; 1889#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1887#L34-3 assume !!(main_~i~1#1 < 10);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; 1885#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1883#L34-3 assume !!(main_~i~1#1 < 10);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; 1881#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1879#L34-3 assume !!(main_~i~1#1 < 10);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; 1877#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1875#L34-3 assume !!(main_~i~1#1 < 10);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; 1873#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1872#L34-3 assume !!(main_~i~1#1 < 10);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; 1870#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1868#L34-3 assume !!(main_~i~1#1 < 10);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; 1865#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1864#L34-3 assume !!(main_~i~1#1 < 10);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; 1863#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1862#L34-3 assume !(main_~i~1#1 < 10); 1837#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; 1838#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1852#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1855#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; 1856#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1853#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1854#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1931#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; 1929#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1927#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1925#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1923#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; 1921#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1919#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1917#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1915#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; 1913#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1911#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1909#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1907#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; 1905#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1903#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1902#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1900#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; 1898#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1895#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1894#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1893#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; 1892#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1890#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1888#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1886#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; 1884#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1882#L20-3 assume !!(max_~i~0#1 < 10);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; 1878#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; 1876#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1874#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1867#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; 1869#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1866#L20-3 assume !(max_~i~0#1 < 10); 1846#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); 1847#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; 1843#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1844#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1947#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; 1859#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1860#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1831#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1832#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; 1850#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1946#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1945#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1944#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; 1943#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1942#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1941#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1940#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; 1939#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1938#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1937#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1936#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; 1935#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1934#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1933#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1932#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; 1930#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1928#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1926#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1924#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; 1922#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1920#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1918#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1916#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; 1914#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1912#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1910#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 1908#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; 1906#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1904#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1897#L21-3 [2022-10-17 10:44:35,465 INFO L750 eck$LassoCheckResult]: Loop: 1897#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; 1901#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; 1899#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 1896#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 1897#L21-3 [2022-10-17 10:44:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:35,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2012806109, now seen corresponding path program 2 times [2022-10-17 10:44:35,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:35,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9568504] [2022-10-17 10:44:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:35,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:35,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:35,696 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:35,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:35,704 INFO L85 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2022-10-17 10:44:35,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:35,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443240029] [2022-10-17 10:44:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:35,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:35,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:35,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:35,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:35,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1723510376, now seen corresponding path program 1 times [2022-10-17 10:44:35,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:35,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117183532] [2022-10-17 10:44:35,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:35,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 153 proven. 37 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-10-17 10:44:36,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:36,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117183532] [2022-10-17 10:44:36,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117183532] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:44:36,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826924370] [2022-10-17 10:44:36,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:36,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:44:36,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:36,197 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:44:36,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63cc64e2-e531-4e90-97e3-8edad1632f6f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-10-17 10:44:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:36,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 10:44:36,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-10-17 10:44:36,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:44:36,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826924370] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:36,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:44:36,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2022-10-17 10:44:36,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693374064] [2022-10-17 10:44:36,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:36,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:36,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-17 10:44:36,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-10-17 10:44:36,546 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. cyclomatic complexity: 30 Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:36,803 INFO L93 Difference]: Finished difference Result 154 states and 185 transitions. [2022-10-17 10:44:36,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 185 transitions. [2022-10-17 10:44:36,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:44:36,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 112 states and 133 transitions. [2022-10-17 10:44:36,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2022-10-17 10:44:36,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2022-10-17 10:44:36,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 133 transitions. [2022-10-17 10:44:36,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:44:36,806 INFO L218 hiAutomatonCegarLoop]: Abstraction has 112 states and 133 transitions. [2022-10-17 10:44:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 133 transitions. [2022-10-17 10:44:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2022-10-17 10:44:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.1875) internal successors, (133), 111 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:44:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2022-10-17 10:44:36,812 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 133 transitions. [2022-10-17 10:44:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-17 10:44:36,816 INFO L428 stractBuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2022-10-17 10:44:36,816 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-10-17 10:44:36,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 133 transitions. [2022-10-17 10:44:36,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-10-17 10:44:36,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:44:36,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:44:36,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:36,819 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-10-17 10:44:36,819 INFO L748 eck$LassoCheckResult]: Stem: 2446#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); 2447#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(40);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; 2453#L34-3 assume !!(main_~i~1#1 < 10);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; 2456#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2457#L34-3 assume !!(main_~i~1#1 < 10);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; 2464#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2498#L34-3 assume !!(main_~i~1#1 < 10);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; 2496#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2494#L34-3 assume !!(main_~i~1#1 < 10);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; 2492#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2490#L34-3 assume !!(main_~i~1#1 < 10);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; 2488#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2486#L34-3 assume !!(main_~i~1#1 < 10);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; 2484#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2482#L34-3 assume !!(main_~i~1#1 < 10);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; 2480#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2478#L34-3 assume !!(main_~i~1#1 < 10);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; 2476#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2474#L34-3 assume !!(main_~i~1#1 < 10);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; 2472#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2470#L34-3 assume !!(main_~i~1#1 < 10);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; 2467#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2466#L34-3 assume !(main_~i~1#1 < 10); 2448#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; 2449#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2459#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2460#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; 2461#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2462#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2553#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2552#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; 2551#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2550#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2549#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2548#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; 2547#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2546#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2545#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2544#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; 2543#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2542#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2541#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2540#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; 2539#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2538#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2537#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2536#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; 2535#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2534#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2533#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2532#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; 2530#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2528#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2526#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2524#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; 2522#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2520#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2518#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2516#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; 2514#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2512#L20-3 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2510#L21 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2508#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; 2506#L20-2 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2504#L20-3 assume !(max_~i~0#1 < 10); 2454#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); 2455#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; 2452#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2442#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2443#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; 2458#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2463#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2531#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2529#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; 2527#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2525#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2523#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2521#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; 2519#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2517#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2515#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2513#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; 2511#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2509#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2507#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2505#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; 2503#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2502#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2501#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2500#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; 2499#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2497#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2495#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2493#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; 2491#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2489#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2487#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2485#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; 2483#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2481#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2479#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2477#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; 2475#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2473#L20-8 assume !!(max_~i~0#1 < 10);call max_#t~mem2#1 := read~int(max_~x#1.base, max_~x#1.offset + 4 * max_~i~0#1, 4); 2471#L21-3 assume !(max_~ret~0#1 < max_#t~mem2#1);max_#t~ite4#1 := max_~ret~0#1; 2469#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; 2468#L20-7 max_#t~post1#1 := max_~i~0#1;max_~i~0#1 := 1 + max_#t~post1#1;havoc max_#t~post1#1; 2465#L20-8 assume !(max_~i~0#1 < 10); 2444#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); 2445#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; 2451#L43-3 [2022-10-17 10:44:36,819 INFO L750 eck$LassoCheckResult]: Loop: 2451#L43-3 assume !!(main_~i~2#1 < 9);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; 2450#L43-2 main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 2451#L43-3 [2022-10-17 10:44:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1621163222, now seen corresponding path program 1 times [2022-10-17 10:44:36,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:36,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881162419] [2022-10-17 10:44:36,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:36,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:36,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:37,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:37,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:37,030 INFO L85 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2022-10-17 10:44:37,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:37,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583962401] [2022-10-17 10:44:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:37,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:37,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:37,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:44:37,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1135269864, now seen corresponding path program 1 times [2022-10-17 10:44:37,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:37,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101033318] [2022-10-17 10:44:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:37,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:37,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:44:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:44:37,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace