./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be --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 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:44:59,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:44:59,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:44:59,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:44:59,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:44:59,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:44:59,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:44:59,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:44:59,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:44:59,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:44:59,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:44:59,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:44:59,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:44:59,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:44:59,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:44:59,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:44:59,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:44:59,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:44:59,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:44:59,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:44:59,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:44:59,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:44:59,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:44:59,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:44:59,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:44:59,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:44:59,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:44:59,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:44:59,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:44:59,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:44:59,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:44:59,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:44:59,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:44:59,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:44:59,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:44:59,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:44:59,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:44:59,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:44:59,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:44:59,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:44:59,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:44:59,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:44:59,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:44:59,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:44:59,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:44:59,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:44:59,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:44:59,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:44:59,417 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:44:59,417 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:44:59,417 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:44:59,417 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:44:59,419 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:44:59,419 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:44:59,419 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:44:59,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:44:59,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:44:59,420 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:44:59,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:44:59,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:44:59,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:44:59,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:44:59,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:44:59,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:44:59,421 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:44:59,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:44:59,422 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:44:59,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:44:59,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:44:59,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:44:59,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:44:59,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:44:59,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:44:59,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:44:59,426 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:44:59,427 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_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1223a7fef027dae15fda123c8ce40ec49dc779b7d5d627ded9a670697417439e [2021-10-21 19:44:59,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:44:59,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:44:59,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:44:59,740 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:44:59,742 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:44:59,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/reducercommutativity/max10-1.i [2021-10-21 19:44:59,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/data/e6be7b1dc/f42ca62a9fc14e41aefa619b98f1fe43/FLAG37ee59821 [2021-10-21 19:45:00,272 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:45:00,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/sv-benchmarks/c/reducercommutativity/max10-1.i [2021-10-21 19:45:00,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/data/e6be7b1dc/f42ca62a9fc14e41aefa619b98f1fe43/FLAG37ee59821 [2021-10-21 19:45:00,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/data/e6be7b1dc/f42ca62a9fc14e41aefa619b98f1fe43 [2021-10-21 19:45:00,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:45:00,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:45:00,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:45:00,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:45:00,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:45:00,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9212b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00, skipping insertion in model container [2021-10-21 19:45:00,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:45:00,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:45:00,828 WARN L228 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_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-10-21 19:45:00,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:45:00,837 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:45:00,859 WARN L228 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_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-10-21 19:45:00,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:45:00,879 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:45:00,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00 WrapperNode [2021-10-21 19:45:00,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:45:00,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:45:00,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:45:00,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:45:00,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:45:00,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:45:00,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:45:00,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:45:00,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:00,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:45:00,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:45:00,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:45:00,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:45:00,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (1/1) ... [2021-10-21 19:45:01,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:01,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:01,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:01,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:45:01,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:45:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:45:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:45:01,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:45:01,437 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-21 19:45:01,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:45:01 BoogieIcfgContainer [2021-10-21 19:45:01,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:45:01,441 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:45:01,441 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:45:01,448 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:45:01,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:45:01,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:45:00" (1/3) ... [2021-10-21 19:45:01,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b6afc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:45:01, skipping insertion in model container [2021-10-21 19:45:01,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:45:01,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:45:00" (2/3) ... [2021-10-21 19:45:01,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b6afc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:45:01, skipping insertion in model container [2021-10-21 19:45:01,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:45:01,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:45:01" (3/3) ... [2021-10-21 19:45:01,453 INFO L389 chiAutomizerObserver]: Analyzing ICFG max10-1.i [2021-10-21 19:45:01,516 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:45:01,517 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:45:01,517 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:45:01,517 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:45:01,517 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:45:01,517 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:45:01,517 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:45:01,517 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:45:01,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:01,555 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-10-21 19:45:01,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:01,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:01,561 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:45:01,562 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:45:01,562 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:45:01,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:01,565 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-10-21 19:45:01,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:01,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:01,566 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:45:01,566 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:45:01,573 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 17#L34-3true [2021-10-21 19:45:01,573 INFO L793 eck$LassoCheckResult]: Loop: 17#L34-3true assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 11#L34-2true main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 17#L34-3true [2021-10-21 19:45:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:01,579 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:45:01,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:01,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241236438] [2021-10-21 19:45:01,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:01,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:01,725 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:01,802 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:01,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:01,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-21 19:45:01,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:01,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931374746] [2021-10-21 19:45:01,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:01,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:01,825 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:01,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-21 19:45:01,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:01,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258131624] [2021-10-21 19:45:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:01,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:01,899 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:01,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:02,455 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:45:02,456 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:45:02,456 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:45:02,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:45:02,457 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:45:02,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:02,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:45:02,458 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:45:02,458 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration1_Lasso [2021-10-21 19:45:02,458 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:45:02,459 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:45:02,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:02,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:45:02,944 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:45:02,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:02,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:02,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:02,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:02,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:02,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:02,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:02,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:02,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:02,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:02,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:02,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:45:02,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:45:03,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:45:03,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:03,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:03,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:45:03,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:45:03,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,278 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:45:03,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,325 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:45:03,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-21 19:45:03,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,369 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:45:03,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:03,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:03,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,447 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:45:03,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,502 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:45:03,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:03,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:03,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,582 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:45:03,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-21 19:45:03,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,636 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:45:03,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-21 19:45:03,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,672 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:45:03,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,704 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:45:03,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,737 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:45:03,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,774 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:45:03,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,829 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:45:03,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:03,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:03,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,877 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:45:03,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:03,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:03,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:03,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,917 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:45:03,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:03,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:03,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:03,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:03,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:03,977 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:45:03,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:03,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:03,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:03,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:03,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:03,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:03,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:03,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:04,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:04,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:04,021 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:04,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:45:04,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:04,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:04,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:04,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:04,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:04,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:04,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:04,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:04,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:04,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:04,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:04,088 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:04,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:45:04,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:04,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:04,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:04,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:04,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:04,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:04,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:04,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:45:04,194 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:45:04,194 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 19:45:04,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:04,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:04,218 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:04,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:45:04,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:45:04,297 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:45:04,297 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:45:04,298 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1) = -8*ULTIMATE.start_main_~i~1 + 19*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 Supporting invariants [] [2021-10-21 19:45:04,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:04,351 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-21 19:45:04,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:04,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:45:04,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:04,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:45:04,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:04,487 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:45:04,489 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:04,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 119 transitions. Complement of second has 8 states. [2021-10-21 19:45:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:45:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-10-21 19:45:04,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-21 19:45:04,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:04,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 19:45:04,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:04,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-21 19:45:04,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:04,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2021-10-21 19:45:04,596 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:04,599 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2021-10-21 19:45:04,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-10-21 19:45:04,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:04,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-10-21 19:45:04,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:04,602 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:45:04,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-10-21 19:45:04,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:04,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-10-21 19:45:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-10-21 19:45:04,650 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:45:04,650 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-10-21 19:45:04,650 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:45:04,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-10-21 19:45:04,651 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:04,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:04,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:04,651 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:45:04,651 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:04,651 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 188#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 196#L34-3 assume !(main_~i~1 < 10); 189#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 190#L20-3 [2021-10-21 19:45:04,652 INFO L793 eck$LassoCheckResult]: Loop: 190#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 203#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 204#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 205#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 190#L20-3 [2021-10-21 19:45:04,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:04,652 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-10-21 19:45:04,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:04,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874104305] [2021-10-21 19:45:04,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:04,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:04,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:04,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874104305] [2021-10-21 19:45:04,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874104305] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:45:04,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:45:04,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:45:04,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575447803] [2021-10-21 19:45:04,707 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:04,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:04,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2021-10-21 19:45:04,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:04,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500108586] [2021-10-21 19:45:04,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:04,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:04,715 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:04,722 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:04,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:04,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:45:04,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:45:04,777 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:04,796 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-10-21 19:45:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:45:04,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-10-21 19:45:04,800 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:04,803 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2021-10-21 19:45:04,803 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:04,803 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:04,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-10-21 19:45:04,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:04,804 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-21 19:45:04,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-10-21 19:45:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-10-21 19:45:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-21 19:45:04,811 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-21 19:45:04,811 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-21 19:45:04,811 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:45:04,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-10-21 19:45:04,816 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:04,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:04,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:04,817 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 19:45:04,817 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:04,818 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 243#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 253#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 256#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 257#L34-3 assume !(main_~i~1 < 10); 246#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 247#L20-3 [2021-10-21 19:45:04,818 INFO L793 eck$LassoCheckResult]: Loop: 247#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 260#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 261#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 262#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 247#L20-3 [2021-10-21 19:45:04,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:04,819 INFO L82 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-10-21 19:45:04,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:04,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862514102] [2021-10-21 19:45:04,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:04,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:04,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:04,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862514102] [2021-10-21 19:45:04,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862514102] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:04,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114498298] [2021-10-21 19:45:04,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:04,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:04,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:04,894 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:04,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-21 19:45:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:04,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:45:04,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:04,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114498298] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:04,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:04,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-21 19:45:04,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401370529] [2021-10-21 19:45:04,971 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:04,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:04,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2021-10-21 19:45:04,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:04,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971670560] [2021-10-21 19:45:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:04,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:04,990 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:05,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:05,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:45:05,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:45:05,059 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:05,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:05,088 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2021-10-21 19:45:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:45:05,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2021-10-21 19:45:05,092 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:05,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2021-10-21 19:45:05,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:05,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:05,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2021-10-21 19:45:05,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:05,094 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-10-21 19:45:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2021-10-21 19:45:05,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2021-10-21 19:45:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-10-21 19:45:05,100 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-21 19:45:05,100 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-21 19:45:05,100 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:45:05,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-10-21 19:45:05,104 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:05,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:05,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:05,105 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1] [2021-10-21 19:45:05,105 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:05,105 INFO L791 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 319#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 329#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 332#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 333#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 341#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 342#L34-3 assume !(main_~i~1 < 10); 322#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 323#L20-3 [2021-10-21 19:45:05,105 INFO L793 eck$LassoCheckResult]: Loop: 323#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 336#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 337#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 338#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 323#L20-3 [2021-10-21 19:45:05,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:05,106 INFO L82 PathProgramCache]: Analyzing trace with hash 265236367, now seen corresponding path program 2 times [2021-10-21 19:45:05,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:05,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443240217] [2021-10-21 19:45:05,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:05,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:05,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:05,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443240217] [2021-10-21 19:45:05,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443240217] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:05,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080489227] [2021-10-21 19:45:05,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:45:05,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:05,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:05,178 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:05,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-21 19:45:05,230 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:45:05,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:05,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:45:05,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:05,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080489227] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:05,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:05,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 19:45:05,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100334759] [2021-10-21 19:45:05,281 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:05,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:05,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2021-10-21 19:45:05,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:05,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773532276] [2021-10-21 19:45:05,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:05,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,300 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:05,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:05,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:45:05,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:45:05,359 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:05,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:05,376 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-10-21 19:45:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:45:05,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2021-10-21 19:45:05,378 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:05,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2021-10-21 19:45:05,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:05,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:05,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2021-10-21 19:45:05,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:05,379 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-21 19:45:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2021-10-21 19:45:05,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-10-21 19:45:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-10-21 19:45:05,382 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-21 19:45:05,382 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-10-21 19:45:05,382 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:45:05,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2021-10-21 19:45:05,383 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:05,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:05,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:05,384 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1] [2021-10-21 19:45:05,384 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:05,384 INFO L791 eck$LassoCheckResult]: Stem: 407#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 408#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 416#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 419#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 420#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 431#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 428#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 429#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 430#L34-3 assume !(main_~i~1 < 10); 409#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 410#L20-3 [2021-10-21 19:45:05,384 INFO L793 eck$LassoCheckResult]: Loop: 410#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 423#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 424#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 425#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 410#L20-3 [2021-10-21 19:45:05,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:05,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1489134225, now seen corresponding path program 3 times [2021-10-21 19:45:05,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:05,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778443172] [2021-10-21 19:45:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:05,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:05,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:05,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778443172] [2021-10-21 19:45:05,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778443172] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:05,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46629001] [2021-10-21 19:45:05,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:45:05,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:05,463 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:05,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-21 19:45:05,545 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-21 19:45:05,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:05,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:45:05,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:05,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46629001] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:05,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:05,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-21 19:45:05,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575558958] [2021-10-21 19:45:05,594 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:05,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:05,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2021-10-21 19:45:05,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:05,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965851553] [2021-10-21 19:45:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:05,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,602 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,620 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:05,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:45:05,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:45:05,669 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:05,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:05,690 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2021-10-21 19:45:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:45:05,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-10-21 19:45:05,692 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:05,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 39 transitions. [2021-10-21 19:45:05,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:05,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:05,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 39 transitions. [2021-10-21 19:45:05,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:05,695 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-10-21 19:45:05,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 39 transitions. [2021-10-21 19:45:05,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-10-21 19:45:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-10-21 19:45:05,702 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-21 19:45:05,702 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-21 19:45:05,702 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:45:05,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-10-21 19:45:05,704 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:05,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:05,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:05,705 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-10-21 19:45:05,705 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:05,705 INFO L791 eck$LassoCheckResult]: Stem: 503#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 504#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 514#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 526#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 527#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 517#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 518#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 531#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 530#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 529#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 528#L34-3 assume !(main_~i~1 < 10); 507#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 508#L20-3 [2021-10-21 19:45:05,705 INFO L793 eck$LassoCheckResult]: Loop: 508#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 521#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 522#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 523#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 508#L20-3 [2021-10-21 19:45:05,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:05,706 INFO L82 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 4 times [2021-10-21 19:45:05,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:05,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529249852] [2021-10-21 19:45:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:05,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:05,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:05,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529249852] [2021-10-21 19:45:05,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529249852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:05,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864088503] [2021-10-21 19:45:05,783 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:45:05,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:05,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:05,790 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:05,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-21 19:45:05,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:45:05,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:05,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:45:05,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:05,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864088503] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:05,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:05,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-21 19:45:05,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700559980] [2021-10-21 19:45:05,927 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:05,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:05,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 5 times [2021-10-21 19:45:05,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:05,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786904270] [2021-10-21 19:45:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:05,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,933 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:05,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:05,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:45:05,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:45:05,995 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:06,017 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2021-10-21 19:45:06,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:45:06,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 41 transitions. [2021-10-21 19:45:06,023 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:06,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 41 transitions. [2021-10-21 19:45:06,024 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:06,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:06,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2021-10-21 19:45:06,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:06,025 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-10-21 19:45:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2021-10-21 19:45:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-10-21 19:45:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-10-21 19:45:06,029 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-21 19:45:06,029 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-10-21 19:45:06,029 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 19:45:06,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-10-21 19:45:06,031 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:06,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:06,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:06,032 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2021-10-21 19:45:06,032 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:06,032 INFO L791 eck$LassoCheckResult]: Stem: 612#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 613#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 623#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 635#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 636#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 626#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 627#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 642#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 641#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 640#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 639#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 638#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 637#L34-3 assume !(main_~i~1 < 10); 616#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 617#L20-3 [2021-10-21 19:45:06,033 INFO L793 eck$LassoCheckResult]: Loop: 617#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 630#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 631#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 632#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 617#L20-3 [2021-10-21 19:45:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:06,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 5 times [2021-10-21 19:45:06,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:06,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043188932] [2021-10-21 19:45:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:06,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:06,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:06,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043188932] [2021-10-21 19:45:06,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043188932] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:06,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890058504] [2021-10-21 19:45:06,122 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:45:06,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:06,124 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:06,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-21 19:45:06,192 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-21 19:45:06,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:06,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:45:06,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:06,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890058504] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:06,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:06,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-21 19:45:06,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671913398] [2021-10-21 19:45:06,253 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:06,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:06,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 6 times [2021-10-21 19:45:06,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:06,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870175244] [2021-10-21 19:45:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:06,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:06,263 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:06,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:06,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:06,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:45:06,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:45:06,337 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:06,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:06,364 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2021-10-21 19:45:06,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:45:06,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 43 transitions. [2021-10-21 19:45:06,365 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:06,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 43 transitions. [2021-10-21 19:45:06,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:06,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:06,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 43 transitions. [2021-10-21 19:45:06,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:06,370 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 43 transitions. [2021-10-21 19:45:06,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 43 transitions. [2021-10-21 19:45:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2021-10-21 19:45:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-10-21 19:45:06,377 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-21 19:45:06,377 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-21 19:45:06,377 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 19:45:06,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 42 transitions. [2021-10-21 19:45:06,378 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:06,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:06,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:06,380 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 6, 1, 1, 1, 1] [2021-10-21 19:45:06,380 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:06,380 INFO L791 eck$LassoCheckResult]: Stem: 734#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 735#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 743#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 755#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 756#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 746#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 747#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 764#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 763#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 762#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 761#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 760#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 759#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 758#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 757#L34-3 assume !(main_~i~1 < 10); 736#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 737#L20-3 [2021-10-21 19:45:06,380 INFO L793 eck$LassoCheckResult]: Loop: 737#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 750#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 751#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 752#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 737#L20-3 [2021-10-21 19:45:06,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:06,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1715480727, now seen corresponding path program 6 times [2021-10-21 19:45:06,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:06,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365510422] [2021-10-21 19:45:06,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:06,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:06,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:06,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365510422] [2021-10-21 19:45:06,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365510422] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:06,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566954873] [2021-10-21 19:45:06,469 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 19:45:06,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:06,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:06,473 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:06,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-21 19:45:06,555 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-21 19:45:06,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:06,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:45:06,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:06,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566954873] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:06,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:06,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-21 19:45:06,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40898437] [2021-10-21 19:45:06,618 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:06,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:06,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 7 times [2021-10-21 19:45:06,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:06,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497862236] [2021-10-21 19:45:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:06,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:06,624 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:06,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:06,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:06,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:45:06,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:45:06,688 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. cyclomatic complexity: 12 Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:06,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:06,723 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2021-10-21 19:45:06,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:45:06,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 45 transitions. [2021-10-21 19:45:06,725 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:06,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 45 transitions. [2021-10-21 19:45:06,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:06,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:06,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 45 transitions. [2021-10-21 19:45:06,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:06,726 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-10-21 19:45:06,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 45 transitions. [2021-10-21 19:45:06,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2021-10-21 19:45:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 36 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2021-10-21 19:45:06,735 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-10-21 19:45:06,736 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-10-21 19:45:06,736 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 19:45:06,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 44 transitions. [2021-10-21 19:45:06,737 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:06,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:06,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:06,739 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [7, 7, 1, 1, 1, 1] [2021-10-21 19:45:06,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:06,739 INFO L791 eck$LassoCheckResult]: Stem: 865#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 866#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 874#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 886#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 887#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 877#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 878#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 897#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 896#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 895#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 894#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 893#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 892#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 891#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 890#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 889#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 888#L34-3 assume !(main_~i~1 < 10); 867#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 868#L20-3 [2021-10-21 19:45:06,739 INFO L793 eck$LassoCheckResult]: Loop: 868#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 881#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 882#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 883#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 868#L20-3 [2021-10-21 19:45:06,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash -690407015, now seen corresponding path program 7 times [2021-10-21 19:45:06,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:06,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065559327] [2021-10-21 19:45:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:06,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:06,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:06,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065559327] [2021-10-21 19:45:06,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065559327] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:06,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154594060] [2021-10-21 19:45:06,836 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 19:45:06,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:06,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:06,838 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:06,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-21 19:45:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:06,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:45:06,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:07,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154594060] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:07,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:07,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-21 19:45:07,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467945634] [2021-10-21 19:45:07,008 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:07,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 8 times [2021-10-21 19:45:07,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765229974] [2021-10-21 19:45:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,013 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,017 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:07,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:07,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 19:45:07,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:45:07,070 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. cyclomatic complexity: 12 Second operand has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:07,100 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2021-10-21 19:45:07,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:45:07,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 47 transitions. [2021-10-21 19:45:07,102 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:07,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 40 states and 47 transitions. [2021-10-21 19:45:07,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:07,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:07,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 47 transitions. [2021-10-21 19:45:07,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:07,103 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 47 transitions. [2021-10-21 19:45:07,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 47 transitions. [2021-10-21 19:45:07,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-10-21 19:45:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2021-10-21 19:45:07,106 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-10-21 19:45:07,106 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2021-10-21 19:45:07,106 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 19:45:07,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2021-10-21 19:45:07,106 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:07,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:07,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:07,107 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [8, 8, 1, 1, 1, 1] [2021-10-21 19:45:07,107 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:07,108 INFO L791 eck$LassoCheckResult]: Stem: 1005#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1006#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1016#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1028#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1029#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1019#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1020#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1041#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1040#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1039#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1038#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1037#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1036#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1035#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1034#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1033#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1032#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1031#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1030#L34-3 assume !(main_~i~1 < 10); 1009#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1010#L20-3 [2021-10-21 19:45:07,108 INFO L793 eck$LassoCheckResult]: Loop: 1010#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1023#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1024#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1025#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1010#L20-3 [2021-10-21 19:45:07,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2056121829, now seen corresponding path program 8 times [2021-10-21 19:45:07,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583534356] [2021-10-21 19:45:07,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:07,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:07,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583534356] [2021-10-21 19:45:07,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583534356] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:07,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486891575] [2021-10-21 19:45:07,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:45:07,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:07,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:07,195 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:07,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-21 19:45:07,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:45:07,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:07,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:45:07,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:07,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486891575] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:07,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:07,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-21 19:45:07,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066534048] [2021-10-21 19:45:07,347 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:07,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 9 times [2021-10-21 19:45:07,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051892532] [2021-10-21 19:45:07,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,352 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:07,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:07,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 19:45:07,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:45:07,407 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. cyclomatic complexity: 12 Second operand has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:07,442 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2021-10-21 19:45:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:45:07,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 49 transitions. [2021-10-21 19:45:07,443 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:07,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 49 transitions. [2021-10-21 19:45:07,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:07,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:07,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 49 transitions. [2021-10-21 19:45:07,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:07,445 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 49 transitions. [2021-10-21 19:45:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 49 transitions. [2021-10-21 19:45:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2021-10-21 19:45:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.170731707317073) internal successors, (48), 40 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2021-10-21 19:45:07,447 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2021-10-21 19:45:07,448 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2021-10-21 19:45:07,448 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 19:45:07,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 48 transitions. [2021-10-21 19:45:07,448 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:07,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:07,449 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:07,449 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [9, 9, 1, 1, 1, 1] [2021-10-21 19:45:07,449 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:07,450 INFO L791 eck$LassoCheckResult]: Stem: 1158#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1159#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1169#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1181#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1182#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1172#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1173#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1196#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1195#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1194#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1193#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1192#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1191#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1190#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1189#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1188#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1187#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1186#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1185#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1184#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1183#L34-3 assume !(main_~i~1 < 10); 1162#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1163#L20-3 [2021-10-21 19:45:07,450 INFO L793 eck$LassoCheckResult]: Loop: 1163#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1176#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1177#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1178#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1163#L20-3 [2021-10-21 19:45:07,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,450 INFO L82 PathProgramCache]: Analyzing trace with hash -248065507, now seen corresponding path program 9 times [2021-10-21 19:45:07,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148317560] [2021-10-21 19:45:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:07,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:07,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148317560] [2021-10-21 19:45:07,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148317560] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:07,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344061116] [2021-10-21 19:45:07,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:45:07,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:07,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:07,555 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:07,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-21 19:45:07,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-10-21 19:45:07,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:07,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:45:07,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:07,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344061116] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:07,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:07,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-21 19:45:07,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414960600] [2021-10-21 19:45:07,775 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:07,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 10 times [2021-10-21 19:45:07,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28977471] [2021-10-21 19:45:07,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,780 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,784 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:07,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:07,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 19:45:07,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:45:07,836 INFO L87 Difference]: Start difference. First operand 41 states and 48 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) [2021-10-21 19:45:07,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:07,893 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2021-10-21 19:45:07,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:45:07,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2021-10-21 19:45:07,894 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:07,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 50 transitions. [2021-10-21 19:45:07,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:45:07,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-10-21 19:45:07,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2021-10-21 19:45:07,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:07,896 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-10-21 19:45:07,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2021-10-21 19:45:07,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-21 19:45:07,898 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) [2021-10-21 19:45:07,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2021-10-21 19:45:07,898 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-10-21 19:45:07,899 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-10-21 19:45:07,899 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 19:45:07,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2021-10-21 19:45:07,899 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 19:45:07,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:07,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:07,900 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2021-10-21 19:45:07,900 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:07,901 INFO L791 eck$LassoCheckResult]: Stem: 1323#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1324#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1332#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1344#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1345#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1335#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1336#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1361#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1360#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1359#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1358#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1357#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1356#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1355#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1354#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1353#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1352#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1351#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1350#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1349#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1348#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1347#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1346#L34-3 assume !(main_~i~1 < 10); 1325#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1326#L20-3 [2021-10-21 19:45:07,901 INFO L793 eck$LassoCheckResult]: Loop: 1326#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1339#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1340#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1341#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1326#L20-3 [2021-10-21 19:45:07,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,902 INFO L82 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 10 times [2021-10-21 19:45:07,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814981212] [2021-10-21 19:45:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,916 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:07,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 11 times [2021-10-21 19:45:07,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539077359] [2021-10-21 19:45:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,940 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:07,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:07,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1776090044, now seen corresponding path program 1 times [2021-10-21 19:45:07,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:07,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309586057] [2021-10-21 19:45:07,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:07,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,968 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:07,999 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:14,380 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:45:14,380 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:45:14,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:45:14,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:45:14,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:45:14,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:14,381 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:45:14,381 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:45:14,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration12_Lasso [2021-10-21 19:45:14,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:45:14,381 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:45:14,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:14,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:15,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:45:15,156 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:45:15,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,161 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:45:15,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,198 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:45:15,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,274 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:45:15,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,336 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:45:15,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:15,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:15,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,378 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:45:15,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,407 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:45:15,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-21 19:45:15,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,461 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:45:15,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-21 19:45:15,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,500 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:45:15,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:15,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:15,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 19:45:15,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,536 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:45:15,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,603 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:45:15,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,674 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:15,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:15,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:45:15,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,738 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:45:15,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,811 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:45:15,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:15,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,886 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:45:15,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-21 19:45:15,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,934 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:45:15,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:15,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:15,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:15,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:15,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 19:45:15,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:15,974 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:15,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:45:15,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:15,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:15,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:15,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:15,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:15,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:15,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:16,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,046 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:16,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:45:16,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:16,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,114 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:45:16,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:16,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:16,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:16,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-21 19:45:16,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,145 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:45:16,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:16,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:16,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,218 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:16,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:45:16,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 19:45:16,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,278 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:45:16,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:16,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:16,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,361 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:45:16,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:16,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:16,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 19:45:16,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,397 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:45:16,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:16,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:16,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:16,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:16,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:16,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:16,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:16,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:45:16,436 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 19:45:16,436 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-21 19:45:16,436 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,437 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:45:16,452 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:45:16,459 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:45:16,459 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:45:16,459 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0) = -2*ULTIMATE.start_max_~i~0 + 19 Supporting invariants [] [2021-10-21 19:45:16,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:16,519 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-21 19:45:16,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:16,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:45:16,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:16,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:45:16,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:16,654 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:45:16,654 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) [2021-10-21 19:45:16,670 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. [2021-10-21 19:45:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:45:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-10-21 19:45:16,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 4 letters. [2021-10-21 19:45:16,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:16,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 4 letters. [2021-10-21 19:45:16,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:16,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 8 letters. [2021-10-21 19:45:16,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:16,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2021-10-21 19:45:16,673 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:16,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 44 states and 52 transitions. [2021-10-21 19:45:16,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 19:45:16,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-21 19:45:16,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 52 transitions. [2021-10-21 19:45:16,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:16,674 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-10-21 19:45:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 52 transitions. [2021-10-21 19:45:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-10-21 19:45:16,676 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) [2021-10-21 19:45:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2021-10-21 19:45:16,676 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-10-21 19:45:16,676 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-10-21 19:45:16,676 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 19:45:16,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2021-10-21 19:45:16,677 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:16,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:16,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:16,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:16,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:16,678 INFO L791 eck$LassoCheckResult]: Stem: 1567#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1568#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1576#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1589#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1590#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1579#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1580#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1606#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1605#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1604#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1603#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1602#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1601#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1600#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1599#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1598#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1597#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1596#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1595#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1594#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1593#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1592#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1591#L34-3 assume !(main_~i~1 < 10); 1569#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1570#L20-3 assume !(max_~i~0 < 10); 1577#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1578#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1575#L20-8 [2021-10-21 19:45:16,678 INFO L793 eck$LassoCheckResult]: Loop: 1575#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1563#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1564#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1581#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1575#L20-8 [2021-10-21 19:45:16,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:16,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1328178489, now seen corresponding path program 1 times [2021-10-21 19:45:16,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:16,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259844354] [2021-10-21 19:45:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:16,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-21 19:45:16,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:16,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259844354] [2021-10-21 19:45:16,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259844354] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:45:16,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:45:16,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:45:16,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016268521] [2021-10-21 19:45:16,719 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:16,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:16,719 INFO L82 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2021-10-21 19:45:16,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:16,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774506435] [2021-10-21 19:45:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:16,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:16,725 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:16,728 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:16,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:45:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:45:16,777 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) [2021-10-21 19:45:16,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:16,811 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2021-10-21 19:45:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:45:16,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 65 transitions. [2021-10-21 19:45:16,813 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:16,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 65 transitions. [2021-10-21 19:45:16,814 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-21 19:45:16,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:45:16,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 65 transitions. [2021-10-21 19:45:16,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:16,814 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 65 transitions. [2021-10-21 19:45:16,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 65 transitions. [2021-10-21 19:45:16,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2021-10-21 19:45:16,816 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) [2021-10-21 19:45:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2021-10-21 19:45:16,817 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-10-21 19:45:16,818 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-10-21 19:45:16,818 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 19:45:16,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 52 transitions. [2021-10-21 19:45:16,818 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:16,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:16,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:16,823 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:16,823 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:16,825 INFO L791 eck$LassoCheckResult]: Stem: 1670#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1671#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1681#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1684#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1685#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1695#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1712#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1711#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1710#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1709#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1708#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1707#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1706#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1705#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1704#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1703#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1702#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1701#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1700#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1699#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1698#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1697#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1696#L34-3 assume !(main_~i~1 < 10); 1674#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1675#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1688#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1690#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1691#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1689#L20-3 assume !(max_~i~0 < 10); 1682#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1683#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1680#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1668#L21-3 [2021-10-21 19:45:16,826 INFO L793 eck$LassoCheckResult]: Loop: 1668#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1669#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1686#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1694#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1668#L21-3 [2021-10-21 19:45:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:16,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1922451645, now seen corresponding path program 1 times [2021-10-21 19:45:16,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:16,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304209934] [2021-10-21 19:45:16,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:16,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-21 19:45:16,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:16,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304209934] [2021-10-21 19:45:16,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304209934] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:16,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290677995] [2021-10-21 19:45:16,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:16,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:16,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:16,875 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:16,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2021-10-21 19:45:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:17,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:45:17,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-21 19:45:17,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290677995] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:17,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:17,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-21 19:45:17,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219194427] [2021-10-21 19:45:17,070 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:17,071 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2021-10-21 19:45:17,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:17,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364551382] [2021-10-21 19:45:17,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:17,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:17,075 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:17,079 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:17,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:17,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:45:17,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:45:17,152 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:17,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:17,194 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2021-10-21 19:45:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:45:17,194 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 80 transitions. [2021-10-21 19:45:17,196 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:17,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 80 transitions. [2021-10-21 19:45:17,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-21 19:45:17,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-21 19:45:17,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 80 transitions. [2021-10-21 19:45:17,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:17,200 INFO L681 BuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2021-10-21 19:45:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 80 transitions. [2021-10-21 19:45:17,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 53. [2021-10-21 19:45:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.169811320754717) internal successors, (62), 52 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2021-10-21 19:45:17,208 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 62 transitions. [2021-10-21 19:45:17,208 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 62 transitions. [2021-10-21 19:45:17,208 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 19:45:17,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 62 transitions. [2021-10-21 19:45:17,210 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:17,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:17,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:17,213 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:17,214 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:17,214 INFO L791 eck$LassoCheckResult]: Stem: 1883#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1884#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1894#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1897#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1898#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1911#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1933#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1932#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1931#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1929#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1927#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1926#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1925#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1924#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1922#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1921#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1920#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1918#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1916#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1915#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1914#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1913#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1912#L34-3 assume !(main_~i~1 < 10); 1887#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1888#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1901#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1919#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1917#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1902#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1903#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1904#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1905#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1906#L20-3 assume !(max_~i~0 < 10); 1895#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1896#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1907#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1930#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1928#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1910#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1893#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1881#L21-3 [2021-10-21 19:45:17,214 INFO L793 eck$LassoCheckResult]: Loop: 1881#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1882#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1899#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1923#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1881#L21-3 [2021-10-21 19:45:17,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:17,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1268480291, now seen corresponding path program 1 times [2021-10-21 19:45:17,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:17,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639425811] [2021-10-21 19:45:17,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:17,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-10-21 19:45:17,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:17,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639425811] [2021-10-21 19:45:17,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639425811] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:17,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952026207] [2021-10-21 19:45:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:17,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:17,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:17,295 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:17,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2021-10-21 19:45:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:17,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:45:17,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:17,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:17,601 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-10-21 19:45:17,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952026207] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:17,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:17,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 19:45:17,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491966423] [2021-10-21 19:45:17,602 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:17,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:17,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2021-10-21 19:45:17,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:17,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274065614] [2021-10-21 19:45:17,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:17,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:17,607 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:17,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:17,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:17,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:45:17,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:45:17,689 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. cyclomatic complexity: 14 Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:17,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:17,745 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2021-10-21 19:45:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:45:17,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 95 transitions. [2021-10-21 19:45:17,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:17,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 79 states and 95 transitions. [2021-10-21 19:45:17,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-10-21 19:45:17,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2021-10-21 19:45:17,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 95 transitions. [2021-10-21 19:45:17,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:17,748 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 95 transitions. [2021-10-21 19:45:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 95 transitions. [2021-10-21 19:45:17,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 61. [2021-10-21 19:45:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.180327868852459) internal successors, (72), 60 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2021-10-21 19:45:17,751 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 72 transitions. [2021-10-21 19:45:17,751 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 72 transitions. [2021-10-21 19:45:17,751 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-21 19:45:17,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 72 transitions. [2021-10-21 19:45:17,752 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:17,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:17,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:17,753 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:17,753 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:17,753 INFO L791 eck$LassoCheckResult]: Stem: 2141#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 2142#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 2153#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2156#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2157#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2173#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2195#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2194#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2193#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2192#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2191#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2190#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2189#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2188#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2187#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2186#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2184#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2181#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2180#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2177#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2176#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2175#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2174#L34-3 assume !(main_~i~1 < 10); 2145#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2146#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2161#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2199#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2198#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2162#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2163#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2164#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2165#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2166#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2179#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2168#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2169#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2178#L20-3 assume !(max_~i~0 < 10); 2154#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2155#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2167#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2139#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2140#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2172#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2151#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2152#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2158#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2159#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2197#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2183#L21-3 [2021-10-21 19:45:17,753 INFO L793 eck$LassoCheckResult]: Loop: 2183#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2196#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2185#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2182#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2183#L21-3 [2021-10-21 19:45:17,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:17,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1567366653, now seen corresponding path program 2 times [2021-10-21 19:45:17,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:17,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654259403] [2021-10-21 19:45:17,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:17,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-21 19:45:17,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:17,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654259403] [2021-10-21 19:45:17,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654259403] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:17,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459404321] [2021-10-21 19:45:17,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:45:17,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:17,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:17,823 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:17,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2021-10-21 19:45:17,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:45:17,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:17,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:45:17,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-21 19:45:18,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459404321] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:18,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:18,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-21 19:45:18,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746933214] [2021-10-21 19:45:18,092 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2021-10-21 19:45:18,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:18,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953541512] [2021-10-21 19:45:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:18,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:18,097 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:18,101 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:18,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:18,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:45:18,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:45:18,183 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:18,256 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2021-10-21 19:45:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:45:18,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 110 transitions. [2021-10-21 19:45:18,258 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:18,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 110 transitions. [2021-10-21 19:45:18,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-10-21 19:45:18,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-10-21 19:45:18,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 110 transitions. [2021-10-21 19:45:18,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:18,259 INFO L681 BuchiCegarLoop]: Abstraction has 91 states and 110 transitions. [2021-10-21 19:45:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 110 transitions. [2021-10-21 19:45:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 69. [2021-10-21 19:45:18,262 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) [2021-10-21 19:45:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2021-10-21 19:45:18,262 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2021-10-21 19:45:18,262 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2021-10-21 19:45:18,262 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-21 19:45:18,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 82 transitions. [2021-10-21 19:45:18,263 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:18,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:18,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:18,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:18,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:18,264 INFO L791 eck$LassoCheckResult]: Stem: 2444#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 2445#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 2455#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2458#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2459#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2472#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2495#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2494#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2493#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2492#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2491#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2490#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2489#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2488#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2487#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2486#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2484#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2481#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2479#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2476#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2475#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2474#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2473#L34-3 assume !(main_~i~1 < 10); 2448#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2449#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2462#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2465#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2466#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2463#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2464#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2467#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2468#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2502#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2501#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2500#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2499#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2498#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2478#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2496#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2480#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2477#L20-3 assume !(max_~i~0 < 10); 2456#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2457#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2454#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2442#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2443#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2460#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2471#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2510#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2509#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2508#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2507#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2506#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2505#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2504#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2503#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2483#L21-3 [2021-10-21 19:45:18,264 INFO L793 eck$LassoCheckResult]: Loop: 2483#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2497#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2485#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2482#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2483#L21-3 [2021-10-21 19:45:18,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:18,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1948283363, now seen corresponding path program 3 times [2021-10-21 19:45:18,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:18,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360317945] [2021-10-21 19:45:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:18,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-10-21 19:45:18,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:18,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360317945] [2021-10-21 19:45:18,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360317945] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:18,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675861754] [2021-10-21 19:45:18,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-21 19:45:18,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:18,347 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2021-10-21 19:45:18,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-21 19:45:18,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:18,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:45:18,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-10-21 19:45:18,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675861754] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:18,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:18,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-21 19:45:18,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017399515] [2021-10-21 19:45:18,745 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:18,745 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 5 times [2021-10-21 19:45:18,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:18,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397934294] [2021-10-21 19:45:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:18,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:18,752 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:18,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:18,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:18,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:45:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:45:18,832 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:18,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:18,935 INFO L93 Difference]: Finished difference Result 103 states and 125 transitions. [2021-10-21 19:45:18,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:45:18,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 125 transitions. [2021-10-21 19:45:18,937 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:18,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 125 transitions. [2021-10-21 19:45:18,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2021-10-21 19:45:18,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2021-10-21 19:45:18,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 125 transitions. [2021-10-21 19:45:18,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:18,939 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 125 transitions. [2021-10-21 19:45:18,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 125 transitions. [2021-10-21 19:45:18,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2021-10-21 19:45:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 76 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2021-10-21 19:45:18,942 INFO L704 BuchiCegarLoop]: Abstraction has 77 states and 92 transitions. [2021-10-21 19:45:18,942 INFO L587 BuchiCegarLoop]: Abstraction has 77 states and 92 transitions. [2021-10-21 19:45:18,942 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-21 19:45:18,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 92 transitions. [2021-10-21 19:45:18,943 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:18,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:18,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:18,944 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:18,944 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:18,945 INFO L791 eck$LassoCheckResult]: Stem: 2792#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 2793#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 2803#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2806#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2807#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2822#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2845#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2844#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2843#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2842#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2841#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2840#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2839#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2838#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2837#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2836#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2834#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2831#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2829#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2826#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2825#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2824#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2823#L34-3 assume !(main_~i~1 < 10); 2796#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2797#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2811#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2814#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2815#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2812#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2813#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2816#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2817#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2856#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2855#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2854#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2853#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2852#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2851#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2850#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2849#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2848#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2828#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2846#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2830#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2827#L20-3 assume !(max_~i~0 < 10); 2804#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2805#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2802#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2790#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2791#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2820#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2821#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2866#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2808#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2809#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2865#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2864#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2863#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2862#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2861#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2860#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2859#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2858#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2857#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2833#L21-3 [2021-10-21 19:45:18,945 INFO L793 eck$LassoCheckResult]: Loop: 2833#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2847#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2835#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2832#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2833#L21-3 [2021-10-21 19:45:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:18,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1984866499, now seen corresponding path program 4 times [2021-10-21 19:45:18,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:18,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34490240] [2021-10-21 19:45:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:18,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-10-21 19:45:19,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:19,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34490240] [2021-10-21 19:45:19,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34490240] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:19,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221144559] [2021-10-21 19:45:19,019 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-21 19:45:19,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:19,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:19,022 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:19,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-10-21 19:45:19,211 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-21 19:45:19,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:19,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:45:19,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-10-21 19:45:19,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221144559] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:19,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:19,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-10-21 19:45:19,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201872354] [2021-10-21 19:45:19,359 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:19,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:19,360 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 6 times [2021-10-21 19:45:19,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:19,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946904265] [2021-10-21 19:45:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:19,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:19,369 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:19,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:19,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:19,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:45:19,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:45:19,446 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. cyclomatic complexity: 20 Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:19,570 INFO L93 Difference]: Finished difference Result 115 states and 140 transitions. [2021-10-21 19:45:19,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:45:19,570 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 140 transitions. [2021-10-21 19:45:19,571 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:19,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 115 states and 140 transitions. [2021-10-21 19:45:19,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2021-10-21 19:45:19,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2021-10-21 19:45:19,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 115 states and 140 transitions. [2021-10-21 19:45:19,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:19,573 INFO L681 BuchiCegarLoop]: Abstraction has 115 states and 140 transitions. [2021-10-21 19:45:19,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states and 140 transitions. [2021-10-21 19:45:19,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 85. [2021-10-21 19:45:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 85 states have (on average 1.2) internal successors, (102), 84 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 102 transitions. [2021-10-21 19:45:19,576 INFO L704 BuchiCegarLoop]: Abstraction has 85 states and 102 transitions. [2021-10-21 19:45:19,576 INFO L587 BuchiCegarLoop]: Abstraction has 85 states and 102 transitions. [2021-10-21 19:45:19,577 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-21 19:45:19,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 102 transitions. [2021-10-21 19:45:19,577 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:19,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:19,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:19,579 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:19,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:19,579 INFO L791 eck$LassoCheckResult]: Stem: 3187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 3188#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 3197#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3200#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3201#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3215#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3238#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3237#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3236#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3235#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3234#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3233#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3232#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3231#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3229#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3228#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3227#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3226#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3224#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3221#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3220#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3219#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3218#L34-3 assume !(main_~i~1 < 10); 3189#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 3190#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3204#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3207#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3210#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3205#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3206#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3253#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3208#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3209#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3252#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3251#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3250#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3249#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3248#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3247#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3246#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3245#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3244#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3243#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3242#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3241#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3223#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3239#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3225#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3222#L20-3 assume !(max_~i~0 < 10); 3198#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 3199#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 3195#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3196#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3267#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3213#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3214#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3183#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3184#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3202#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3266#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3265#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3264#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3263#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3262#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3261#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3260#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3259#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3258#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3257#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3256#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3255#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3254#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3217#L21-3 [2021-10-21 19:45:19,579 INFO L793 eck$LassoCheckResult]: Loop: 3217#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 3240#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3230#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3216#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3217#L21-3 [2021-10-21 19:45:19,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:19,580 INFO L82 PathProgramCache]: Analyzing trace with hash -325846691, now seen corresponding path program 5 times [2021-10-21 19:45:19,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:19,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533637928] [2021-10-21 19:45:19,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:19,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-10-21 19:45:19,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:19,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533637928] [2021-10-21 19:45:19,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533637928] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:19,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924149947] [2021-10-21 19:45:19,665 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 19:45:19,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:19,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:19,671 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:19,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-10-21 19:45:19,951 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-10-21 19:45:19,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:19,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 19:45:19,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-10-21 19:45:20,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924149947] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:20,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:20,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-21 19:45:20,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261836379] [2021-10-21 19:45:20,146 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:20,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 7 times [2021-10-21 19:45:20,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:20,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767660698] [2021-10-21 19:45:20,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:20,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:20,152 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:20,155 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:20,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:20,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:45:20,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:45:20,235 INFO L87 Difference]: Start difference. First operand 85 states and 102 transitions. cyclomatic complexity: 22 Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:20,356 INFO L93 Difference]: Finished difference Result 127 states and 155 transitions. [2021-10-21 19:45:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:45:20,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 127 states and 155 transitions. [2021-10-21 19:45:20,357 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:20,358 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 127 states to 127 states and 155 transitions. [2021-10-21 19:45:20,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 76 [2021-10-21 19:45:20,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 76 [2021-10-21 19:45:20,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 155 transitions. [2021-10-21 19:45:20,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:20,359 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 155 transitions. [2021-10-21 19:45:20,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 155 transitions. [2021-10-21 19:45:20,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 93. [2021-10-21 19:45:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.2043010752688172) internal successors, (112), 92 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 112 transitions. [2021-10-21 19:45:20,362 INFO L704 BuchiCegarLoop]: Abstraction has 93 states and 112 transitions. [2021-10-21 19:45:20,362 INFO L587 BuchiCegarLoop]: Abstraction has 93 states and 112 transitions. [2021-10-21 19:45:20,362 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-21 19:45:20,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 112 transitions. [2021-10-21 19:45:20,363 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:20,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:20,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:20,368 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:20,373 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:20,373 INFO L791 eck$LassoCheckResult]: Stem: 3623#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 3624#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 3635#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3638#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3639#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3652#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3675#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3674#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3673#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3672#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3671#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3670#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3669#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3668#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3667#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3666#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3664#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3661#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3659#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3656#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3655#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 3654#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 3653#L34-3 assume !(main_~i~1 < 10); 3627#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 3628#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3642#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3696#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3695#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3643#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3644#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3645#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3646#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3647#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3693#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3692#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3691#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3690#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3689#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3688#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3687#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3686#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3685#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3684#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3683#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3682#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3681#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3680#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3679#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3678#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3658#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3676#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3660#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3657#L20-3 assume !(max_~i~0 < 10); 3636#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 3637#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 3633#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3634#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3713#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3650#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3651#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3621#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3622#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3640#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3712#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3711#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3710#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3709#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3708#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3707#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3706#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3705#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3704#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3703#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3702#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3701#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3700#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3699#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 3698#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3697#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3694#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3663#L21-3 [2021-10-21 19:45:20,373 INFO L793 eck$LassoCheckResult]: Loop: 3663#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 3677#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 3665#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 3662#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 3663#L21-3 [2021-10-21 19:45:20,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:20,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1241910147, now seen corresponding path program 6 times [2021-10-21 19:45:20,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:20,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096947856] [2021-10-21 19:45:20,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:20,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-21 19:45:20,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:20,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096947856] [2021-10-21 19:45:20,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096947856] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:20,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458691779] [2021-10-21 19:45:20,508 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-21 19:45:20,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:20,510 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:20,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-10-21 19:45:20,956 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-10-21 19:45:20,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:20,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 19:45:20,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-10-21 19:45:21,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458691779] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:21,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:21,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-21 19:45:21,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307437183] [2021-10-21 19:45:21,188 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:21,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:21,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 8 times [2021-10-21 19:45:21,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:21,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760940584] [2021-10-21 19:45:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:21,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:21,194 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:21,197 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:21,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:21,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 19:45:21,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:45:21,274 INFO L87 Difference]: Start difference. First operand 93 states and 112 transitions. cyclomatic complexity: 24 Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:21,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:21,378 INFO L93 Difference]: Finished difference Result 139 states and 170 transitions. [2021-10-21 19:45:21,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:45:21,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 170 transitions. [2021-10-21 19:45:21,381 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:21,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 139 states and 170 transitions. [2021-10-21 19:45:21,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2021-10-21 19:45:21,383 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2021-10-21 19:45:21,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 170 transitions. [2021-10-21 19:45:21,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:21,383 INFO L681 BuchiCegarLoop]: Abstraction has 139 states and 170 transitions. [2021-10-21 19:45:21,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 170 transitions. [2021-10-21 19:45:21,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 101. [2021-10-21 19:45:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.2079207920792079) internal successors, (122), 100 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2021-10-21 19:45:21,388 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 122 transitions. [2021-10-21 19:45:21,388 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 122 transitions. [2021-10-21 19:45:21,388 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-21 19:45:21,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 122 transitions. [2021-10-21 19:45:21,389 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:21,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:21,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:21,391 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:21,391 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:21,391 INFO L791 eck$LassoCheckResult]: Stem: 4106#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 4107#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 4118#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4121#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4122#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4135#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4158#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4157#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4156#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4155#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4154#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4153#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4152#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4151#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4150#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4149#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4147#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4144#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4142#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4139#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4138#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4137#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4136#L34-3 assume !(main_~i~1 < 10); 4110#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 4111#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4125#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4183#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4182#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4126#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4127#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4128#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4129#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4130#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4180#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4179#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4178#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4177#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4176#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4175#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4174#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4173#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4172#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4171#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4170#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4169#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4168#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4167#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4166#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4165#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4164#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4163#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4162#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4161#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4141#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4159#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4143#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4140#L20-3 assume !(max_~i~0 < 10); 4119#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 4120#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 4116#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4117#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4204#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4133#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4134#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4104#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4105#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4123#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4203#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4202#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4201#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4200#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4199#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4198#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4197#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4196#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4195#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4194#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4193#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4192#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4191#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4190#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4189#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4188#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4187#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4186#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4185#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4184#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4181#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4146#L21-3 [2021-10-21 19:45:21,391 INFO L793 eck$LassoCheckResult]: Loop: 4146#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 4160#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4148#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4145#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4146#L21-3 [2021-10-21 19:45:21,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:21,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1930807453, now seen corresponding path program 7 times [2021-10-21 19:45:21,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:21,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636212275] [2021-10-21 19:45:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:21,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-10-21 19:45:21,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:21,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636212275] [2021-10-21 19:45:21,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636212275] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:21,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203970494] [2021-10-21 19:45:21,530 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 19:45:21,530 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:21,535 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:21,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-10-21 19:45:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:21,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 19:45:21,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-10-21 19:45:22,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203970494] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:22,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:22,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-21 19:45:22,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619107760] [2021-10-21 19:45:22,047 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:22,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:22,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 9 times [2021-10-21 19:45:22,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:22,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041745465] [2021-10-21 19:45:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:22,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:22,054 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:22,060 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:22,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:22,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-21 19:45:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-10-21 19:45:22,137 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. cyclomatic complexity: 26 Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 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) [2021-10-21 19:45:22,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:22,253 INFO L93 Difference]: Finished difference Result 151 states and 185 transitions. [2021-10-21 19:45:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:45:22,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 185 transitions. [2021-10-21 19:45:22,255 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:22,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 151 states and 185 transitions. [2021-10-21 19:45:22,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2021-10-21 19:45:22,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2021-10-21 19:45:22,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 185 transitions. [2021-10-21 19:45:22,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:22,256 INFO L681 BuchiCegarLoop]: Abstraction has 151 states and 185 transitions. [2021-10-21 19:45:22,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 185 transitions. [2021-10-21 19:45:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 109. [2021-10-21 19:45:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.2110091743119267) internal successors, (132), 108 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:22,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2021-10-21 19:45:22,260 INFO L704 BuchiCegarLoop]: Abstraction has 109 states and 132 transitions. [2021-10-21 19:45:22,260 INFO L587 BuchiCegarLoop]: Abstraction has 109 states and 132 transitions. [2021-10-21 19:45:22,260 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-10-21 19:45:22,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 132 transitions. [2021-10-21 19:45:22,265 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:22,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:22,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:22,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:22,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:22,267 INFO L791 eck$LassoCheckResult]: Stem: 4634#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 4635#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 4645#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4663#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4664#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4648#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4649#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4686#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4685#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4684#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4683#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4682#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4681#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4680#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4679#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4678#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4676#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4673#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4671#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4668#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4667#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 4666#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 4665#L34-3 assume !(main_~i~1 < 10); 4638#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 4639#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4652#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4658#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4659#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4653#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4654#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4655#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4656#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4657#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4712#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4711#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4710#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4709#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4708#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4707#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4706#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4705#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4704#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4703#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4702#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4701#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4700#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4699#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4698#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4697#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4696#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4695#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4694#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4693#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4692#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4691#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4690#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4689#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4670#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4687#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4672#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4669#L20-3 assume !(max_~i~0 < 10); 4646#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 4647#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 4644#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4632#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4633#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4650#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4662#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4740#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4739#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4738#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4737#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4736#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4735#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4734#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4733#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4732#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4731#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4730#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4729#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4728#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4727#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4726#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4725#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4724#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4723#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4722#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4721#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4720#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4719#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4718#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4717#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4716#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 4715#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4714#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4713#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4675#L21-3 [2021-10-21 19:45:22,268 INFO L793 eck$LassoCheckResult]: Loop: 4675#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 4688#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 4677#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 4674#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 4675#L21-3 [2021-10-21 19:45:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:22,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1557788093, now seen corresponding path program 8 times [2021-10-21 19:45:22,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:22,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960440188] [2021-10-21 19:45:22,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:22,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-21 19:45:22,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:22,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960440188] [2021-10-21 19:45:22,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960440188] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:22,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098395835] [2021-10-21 19:45:22,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 19:45:22,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:22,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:22,390 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-10-21 19:45:22,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 19:45:22,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 19:45:22,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-21 19:45:22,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-21 19:45:22,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098395835] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:22,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:45:22,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-21 19:45:22,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084951481] [2021-10-21 19:45:22,933 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 19:45:22,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:22,933 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 10 times [2021-10-21 19:45:22,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:22,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660062721] [2021-10-21 19:45:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:22,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:22,938 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:22,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:23,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 19:45:23,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:45:23,034 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. cyclomatic complexity: 28 Second operand has 13 states, 13 states have (on average 4.153846153846154) 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) [2021-10-21 19:45:23,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:23,178 INFO L93 Difference]: Finished difference Result 154 states and 188 transitions. [2021-10-21 19:45:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 19:45:23,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 188 transitions. [2021-10-21 19:45:23,179 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:23,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 188 transitions. [2021-10-21 19:45:23,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2021-10-21 19:45:23,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2021-10-21 19:45:23,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 188 transitions. [2021-10-21 19:45:23,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:23,181 INFO L681 BuchiCegarLoop]: Abstraction has 154 states and 188 transitions. [2021-10-21 19:45:23,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 188 transitions. [2021-10-21 19:45:23,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 117. [2021-10-21 19:45:23,183 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) [2021-10-21 19:45:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2021-10-21 19:45:23,184 INFO L704 BuchiCegarLoop]: Abstraction has 117 states and 142 transitions. [2021-10-21 19:45:23,184 INFO L587 BuchiCegarLoop]: Abstraction has 117 states and 142 transitions. [2021-10-21 19:45:23,184 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-10-21 19:45:23,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 142 transitions. [2021-10-21 19:45:23,185 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 19:45:23,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:23,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:23,186 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:23,186 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:45:23,186 INFO L791 eck$LassoCheckResult]: Stem: 5200#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 5201#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 5209#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5212#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5213#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5226#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5258#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5256#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5254#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5252#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5250#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5248#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5246#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5244#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5242#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5240#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5239#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5237#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5235#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5232#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5231#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5230#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5229#L34-3 assume !(main_~i~1 < 10); 5202#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 5203#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5217#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5292#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5291#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5218#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5219#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5220#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5221#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5222#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5288#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5286#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5284#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5282#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5280#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5278#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5276#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5274#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5272#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5270#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5269#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5267#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5265#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5264#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5263#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5262#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5261#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5260#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5259#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5257#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5255#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5253#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5251#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5249#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5247#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5245#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5243#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5241#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5234#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5238#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5236#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5233#L20-3 assume !(max_~i~0 < 10); 5210#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 5211#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 5223#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5312#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5214#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5215#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5208#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5196#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5197#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5311#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5310#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5309#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5308#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5307#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5306#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5305#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5304#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5303#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5302#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5301#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5300#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5299#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5298#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5297#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5296#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5295#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5294#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5293#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5290#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5289#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5287#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5285#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5283#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5281#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5279#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5277#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5275#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5273#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5271#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5228#L21-3 [2021-10-21 19:45:23,186 INFO L793 eck$LassoCheckResult]: Loop: 5228#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 5268#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5266#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5227#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5228#L21-3 [2021-10-21 19:45:23,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:23,187 INFO L82 PathProgramCache]: Analyzing trace with hash 2012806109, now seen corresponding path program 9 times [2021-10-21 19:45:23,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:23,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899570028] [2021-10-21 19:45:23,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:23,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:23,253 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:23,354 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:23,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:23,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 11 times [2021-10-21 19:45:23,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:23,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065396621] [2021-10-21 19:45:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:23,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:23,360 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:23,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:23,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:23,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1723510376, now seen corresponding path program 1 times [2021-10-21 19:45:23,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:23,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856793515] [2021-10-21 19:45:23,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:23,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 153 proven. 37 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-10-21 19:45:23,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:45:23,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856793515] [2021-10-21 19:45:23,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856793515] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:45:23,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116377156] [2021-10-21 19:45:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:23,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:45:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:23,498 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:45:23,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2021-10-21 19:45:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:23,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 19:45:23,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-10-21 19:45:24,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116377156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:45:24,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:45:24,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2021-10-21 19:45:24,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006522777] [2021-10-21 19:45:24,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:45:24,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-21 19:45:24,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2021-10-21 19:45:24,172 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) [2021-10-21 19:45:24,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:45:24,402 INFO L93 Difference]: Finished difference Result 154 states and 185 transitions. [2021-10-21 19:45:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:45:24,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 185 transitions. [2021-10-21 19:45:24,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:45:24,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 112 states and 133 transitions. [2021-10-21 19:45:24,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-10-21 19:45:24,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2021-10-21 19:45:24,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 133 transitions. [2021-10-21 19:45:24,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:24,406 INFO L681 BuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-10-21 19:45:24,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 133 transitions. [2021-10-21 19:45:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-10-21 19:45:24,408 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) [2021-10-21 19:45:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2021-10-21 19:45:24,408 INFO L704 BuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-10-21 19:45:24,408 INFO L587 BuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-10-21 19:45:24,408 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-10-21 19:45:24,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 133 transitions. [2021-10-21 19:45:24,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:45:24,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:45:24,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:45:24,411 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:45:24,411 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:45:24,411 INFO L791 eck$LassoCheckResult]: Stem: 5809#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 5810#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 5818#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5821#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5822#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5831#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5863#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5861#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5859#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5857#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5855#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5853#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5851#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5849#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5847#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5845#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5843#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5841#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5839#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5837#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5835#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 5833#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 5832#L34-3 assume !(main_~i~1 < 10); 5813#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 5814#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5824#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5898#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5827#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5828#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5825#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5826#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5829#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5895#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5893#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5891#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5889#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5887#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5885#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5883#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5881#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5879#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5877#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5875#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5873#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5871#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5869#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5867#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5866#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5865#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5864#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5862#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5860#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5858#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5856#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5854#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5852#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5850#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5848#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5846#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5844#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5842#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5840#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5838#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5836#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5834#L20-3 assume !(max_~i~0 < 10); 5819#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 5820#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 5817#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5807#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5808#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5823#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5830#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5918#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5917#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5916#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5915#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5914#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5913#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5912#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5911#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5910#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5909#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5908#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5907#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5906#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5905#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5904#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5903#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5902#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5901#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5900#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5899#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5897#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5896#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5894#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5892#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5890#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5888#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5886#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5884#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5882#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5880#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5878#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5876#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 5874#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 5872#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 5870#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 5868#L20-8 assume !(max_~i~0 < 10); 5811#L20-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 5812#L23-1 main_#t~ret12 := max_#res;main_~ret2~0 := main_#t~ret12;havoc main_#t~ret12;call main_#t~mem13 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem13;havoc main_#t~mem13;main_~i~2 := 0; 5816#L43-3 [2021-10-21 19:45:24,411 INFO L793 eck$LassoCheckResult]: Loop: 5816#L43-3 assume !!(main_~i~2 < 9);call main_#t~mem15 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~2), 4);call write~int(main_#t~mem15, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~2, 4);havoc main_#t~mem15; 5815#L43-2 main_#t~post14 := main_~i~2;main_~i~2 := 1 + main_#t~post14;havoc main_#t~post14; 5816#L43-3 [2021-10-21 19:45:24,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:24,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1621163222, now seen corresponding path program 1 times [2021-10-21 19:45:24,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:24,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310317182] [2021-10-21 19:45:24,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:24,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:24,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:24,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:24,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:24,768 INFO L82 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2021-10-21 19:45:24,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:24,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143636066] [2021-10-21 19:45:24,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:24,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:24,772 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:24,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:24,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:24,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1135269864, now seen corresponding path program 1 times [2021-10-21 19:45:24,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:45:24,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437700451] [2021-10-21 19:45:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:45:24,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:45:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:24,922 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:45:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:45:25,054 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:45:53,433 WARN L207 SmtUtils]: Spent 28.29 s on a formula simplification. DAG size of input: 717 DAG size of output: 502 [2021-10-21 19:45:55,461 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:45:55,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:45:55,461 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:45:55,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:45:55,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:45:55,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:55,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:45:55,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:45:55,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration24_Lasso [2021-10-21 19:45:55,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:45:55,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:45:55,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:55,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:45:57,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:45:57,661 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:45:57,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,663 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 19:45:57,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 19:45:57,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,693 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 19:45:57,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:57,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,724 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 19:45:57,726 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 [2021-10-21 19:45:57,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:57,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,755 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 19:45:57,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-21 19:45:57,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,784 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 19:45:57,786 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 [2021-10-21 19:45:57,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:57,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:57,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-21 19:45:57,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,816 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 19:45:57,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:57,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,846 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 19:45:57,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:57,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,876 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 19:45:57,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-21 19:45:57,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,906 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 19:45:57,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:57,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,940 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 19:45:57,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:57,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:57,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:57,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:57,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-21 19:45:57,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:57,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:57,971 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:57,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 19:45:57,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:57,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:57,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:57,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:57,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:57,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:57,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:57,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-21 19:45:58,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,003 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 19:45:58,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 19:45:58,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,041 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 19:45:58,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-21 19:45:58,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,077 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 19:45:58,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 19:45:58,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,108 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 19:45:58,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,140 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 19:45:58,141 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 [2021-10-21 19:45:58,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-21 19:45:58,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,169 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 19:45:58,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-21 19:45:58,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,199 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 19:45:58,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-21 19:45:58,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,234 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 19:45:58,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 19:45:58,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,264 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 19:45:58,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-21 19:45:58,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,293 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 19:45:58,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-21 19:45:58,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,358 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 19:45:58,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,391 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 19:45:58,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,427 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 19:45:58,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,456 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 19:45:58,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,488 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 19:45:58,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-21 19:45:58,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,560 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 19:45:58,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-21 19:45:58,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,590 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 19:45:58,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,632 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 19:45:58,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-21 19:45:58,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,701 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 19:45:58,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-21 19:45:58,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,732 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 19:45:58,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 19:45:58,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,764 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 19:45:58,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,795 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 19:45:58,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-21 19:45:58,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,825 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 19:45:58,826 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 [2021-10-21 19:45:58,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-21 19:45:58,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,856 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 19:45:58,859 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 [2021-10-21 19:45:58,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:58,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,890 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 19:45:58,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-21 19:45:58,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,919 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 19:45:58,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,952 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 19:45:58,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:45:58,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:45:58,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:45:58,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:45:58,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:58,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:58,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:58,982 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:58,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 19:45:58,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:45:58,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:45:58,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:45:58,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:45:58,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:45:58,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:45:58,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:45:59,012 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:45:59,053 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 19:45:59,053 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-21 19:45:59,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:45:59,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:45:59,055 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:45:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 19:45:59,055 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:45:59,066 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 19:45:59,066 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:45:59,066 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0.base)_3, ULTIMATE.start_main_~i~2) = 17*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_3 - 16*ULTIMATE.start_main_~i~2 Supporting invariants [] [2021-10-21 19:45:59,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-21 19:45:59,454 INFO L297 tatePredicateManager]: 91 out of 91 supporting invariants were superfluous and have been removed [2021-10-21 19:45:59,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:45:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:59,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:45:59,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:59,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-21 19:45:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:45:59,840 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:45:59,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:45:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:45:59,862 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:45:59,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 133 transitions. cyclomatic complexity: 23 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:59,879 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 133 transitions. cyclomatic complexity: 23. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 114 states and 136 transitions. Complement of second has 4 states. [2021-10-21 19:45:59,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:45:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:45:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2021-10-21 19:45:59,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 110 letters. Loop has 2 letters. [2021-10-21 19:45:59,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:59,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 112 letters. Loop has 2 letters. [2021-10-21 19:45:59,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:59,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 110 letters. Loop has 4 letters. [2021-10-21 19:45:59,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:45:59,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 136 transitions. [2021-10-21 19:45:59,885 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:45:59,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 0 states and 0 transitions. [2021-10-21 19:45:59,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:45:59,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:45:59,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:45:59,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:45:59,885 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:45:59,885 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:45:59,885 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:45:59,885 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-10-21 19:45:59,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:45:59,886 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:45:59,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:45:59,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:45:59 BoogieIcfgContainer [2021-10-21 19:45:59,891 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:45:59,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:45:59,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:45:59,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:45:59,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:45:01" (3/4) ... [2021-10-21 19:45:59,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:45:59,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:45:59,896 INFO L168 Benchmark]: Toolchain (without parser) took 59262.10 ms. Allocated memory was 102.8 MB in the beginning and 239.1 MB in the end (delta: 136.3 MB). Free memory was 64.5 MB in the beginning and 104.7 MB in the end (delta: -40.3 MB). Peak memory consumption was 95.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:59,896 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 81.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:45:59,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.87 ms. Allocated memory is still 102.8 MB. Free memory was 64.3 MB in the beginning and 71.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:59,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.18 ms. Allocated memory is still 102.8 MB. Free memory was 71.8 MB in the beginning and 69.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:59,897 INFO L168 Benchmark]: Boogie Preprocessor took 30.25 ms. Allocated memory is still 102.8 MB. Free memory was 69.9 MB in the beginning and 68.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:59,898 INFO L168 Benchmark]: RCFGBuilder took 460.46 ms. Allocated memory is still 102.8 MB. Free memory was 68.5 MB in the beginning and 56.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:59,898 INFO L168 Benchmark]: BuchiAutomizer took 58450.26 ms. Allocated memory was 102.8 MB in the beginning and 239.1 MB in the end (delta: 136.3 MB). Free memory was 55.9 MB in the beginning and 104.7 MB in the end (delta: -48.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:45:59,898 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 239.1 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:45:59,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 81.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 245.87 ms. Allocated memory is still 102.8 MB. Free memory was 64.3 MB in the beginning and 71.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.18 ms. Allocated memory is still 102.8 MB. Free memory was 71.8 MB in the beginning and 69.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.25 ms. Allocated memory is still 102.8 MB. Free memory was 69.9 MB in the beginning and 68.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 460.46 ms. Allocated memory is still 102.8 MB. Free memory was 68.5 MB in the beginning and 56.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 58450.26 ms. Allocated memory was 102.8 MB in the beginning and 239.1 MB in the end (delta: 136.3 MB). Free memory was 55.9 MB in the beginning and 104.7 MB in the end (delta: -48.8 MB). Peak memory consumption was 89.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.40 ms. Allocated memory is still 239.1 MB. Free memory is still 104.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 24 terminating modules (21 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 * unknown-#length-unknown[x] + -8 * i and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function 17 * unknown-#length-unknown[x] + -16 * i and consists of 3 locations. 21 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.3s and 25 iterations. TraceHistogramMax:10. Analysis of lassos took 55.7s. Construction of modules took 1.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 24. Minimization of nondet autom 0. Automata minimization 100.5ms AutomataMinimizationTime, 23 MinimizatonAttempts, 280 StatesRemovedByMinimization, 19 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 117 states and ocurred in iteration 22. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 637 SDtfs, 1256 SDslu, 1560 SDs, 0 SdLazy, 1147 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1067.9ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU20 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital420 mio100 ax100 hnf100 lsp96 ukn41 mio100 lsp42 div100 bol100 ite100 ukn100 eq164 hnf92 smp94 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:45:59,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2021-10-21 19:46:00,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2021-10-21 19:46:00,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:00,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2021-10-21 19:46:00,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-10-21 19:46:00,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2021-10-21 19:46:01,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2021-10-21 19:46:01,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2021-10-21 19:46:01,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2021-10-21 19:46:01,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:01,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2021-10-21 19:46:02,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:02,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:46:02,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2021-10-21 19:46:02,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-21 19:46:02,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-21 19:46:03,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-21 19:46:03,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-21 19:46:03,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-21 19:46:03,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3d2b56-4a6f-4b2c-920e-ac0a948176ed/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...