./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y --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 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:31:56,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:31:56,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:31:56,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:31:56,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:31:56,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:31:56,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:31:56,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:31:56,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:31:56,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:31:56,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:31:56,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:31:56,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:31:56,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:31:56,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:31:56,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:31:56,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:31:56,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:31:56,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:31:56,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:31:56,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:31:56,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:31:56,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:31:56,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:31:56,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:31:56,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:31:56,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:31:56,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:31:56,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:31:56,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:31:56,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:31:56,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:31:56,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:31:56,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:31:56,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:31:56,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:31:56,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:31:56,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:31:56,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:31:56,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:31:56,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:31:56,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 17:31:56,639 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:31:56,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:31:56,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:31:56,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:31:56,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:31:56,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:31:56,641 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:31:56,641 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 17:31:56,641 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 17:31:56,642 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 17:31:56,642 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 17:31:56,642 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 17:31:56,642 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 17:31:56,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:31:56,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:31:56,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:31:56,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:31:56,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:31:56,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:31:56,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 17:31:56,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 17:31:56,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 17:31:56,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:31:56,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:31:56,644 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 17:31:56,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:31:56,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 17:31:56,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:31:56,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:31:56,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:31:56,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:31:56,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:31:56,647 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 17:31:56,647 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_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2021-11-13 17:31:56,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:31:57,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:31:57,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:31:57,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:31:57,013 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:31:57,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/reducercommutativity/avg10-2.i [2021-11-13 17:31:57,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/data/70f9c3d23/bc7c150d029e43a39daa243b0d45d3a0/FLAG0ab2dbe83 [2021-11-13 17:31:57,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:31:57,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/sv-benchmarks/c/reducercommutativity/avg10-2.i [2021-11-13 17:31:57,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/data/70f9c3d23/bc7c150d029e43a39daa243b0d45d3a0/FLAG0ab2dbe83 [2021-11-13 17:31:58,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/data/70f9c3d23/bc7c150d029e43a39daa243b0d45d3a0 [2021-11-13 17:31:58,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:31:58,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:31:58,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:58,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:31:58,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:31:58,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5888e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58, skipping insertion in model container [2021-11-13 17:31:58,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:31:58,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:31:58,253 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_49c7cbef-bba7-41d6-8f93-08e33deaca82/sv-benchmarks/c/reducercommutativity/avg10-2.i[1282,1295] [2021-11-13 17:31:58,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:58,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:31:58,286 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_49c7cbef-bba7-41d6-8f93-08e33deaca82/sv-benchmarks/c/reducercommutativity/avg10-2.i[1282,1295] [2021-11-13 17:31:58,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:31:58,302 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:31:58,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58 WrapperNode [2021-11-13 17:31:58,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:31:58,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:58,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:31:58,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:31:58,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:31:58,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:31:58,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:31:58,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:31:58,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:31:58,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:31:58,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:31:58,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:31:58,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (1/1) ... [2021-11-13 17:31:58,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:58,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:31:58,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:31:58,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 17:31:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:31:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:31:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:31:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:31:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:31:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:31:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:31:58,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:31:58,939 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 17:31:58,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:58 BoogieIcfgContainer [2021-11-13 17:31:58,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:31:58,943 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 17:31:58,943 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 17:31:58,947 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 17:31:58,948 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:31:58,948 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:31:58" (1/3) ... [2021-11-13 17:31:58,950 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7683c175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:31:58, skipping insertion in model container [2021-11-13 17:31:58,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:31:58,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:31:58" (2/3) ... [2021-11-13 17:31:58,951 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7683c175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:31:58, skipping insertion in model container [2021-11-13 17:31:58,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:31:58,951 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:31:58" (3/3) ... [2021-11-13 17:31:58,953 INFO L388 chiAutomizerObserver]: Analyzing ICFG avg10-2.i [2021-11-13 17:31:59,000 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 17:31:59,001 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 17:31:59,001 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 17:31:59,001 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 17:31:59,001 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 17:31:59,001 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 17:31:59,002 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 17:31:59,002 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 17:31:59,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:31:59,038 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-11-13 17:31:59,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:59,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:59,044 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 17:31:59,044 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:59,045 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 17:31:59,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:31:59,047 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-11-13 17:31:59,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:31:59,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:31:59,048 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 17:31:59,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:31:59,056 INFO L791 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 15#L34-3true [2021-11-13 17:31:59,056 INFO L793 eck$LassoCheckResult]: Loop: 15#L34-3true assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 11#L34-2true main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 15#L34-3true [2021-11-13 17:31:59,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-13 17:31:59,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:59,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171377061] [2021-11-13 17:31:59,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:59,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:59,191 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:59,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:59,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-13 17:31:59,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:59,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159508297] [2021-11-13 17:31:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:59,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:59,282 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:59,290 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:59,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:31:59,295 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-13 17:31:59,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:31:59,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710585719] [2021-11-13 17:31:59,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:31:59,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:31:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:59,341 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:31:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:31:59,382 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:31:59,929 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:31:59,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:31:59,930 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:31:59,930 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:31:59,930 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:31:59,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:31:59,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:31:59,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:31:59,931 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration1_Lasso [2021-11-13 17:31:59,932 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:31:59,932 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:31:59,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:31:59,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:00,447 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:32:00,452 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:32:00,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,486 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 [2021-11-13 17:32:00,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:00,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:00,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:00,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 17:32:00,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 17:32:00,554 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 [2021-11-13 17:32:00,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:00,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:00,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:00,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 17:32:00,612 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 [2021-11-13 17:32:00,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:00,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:00,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,689 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 [2021-11-13 17:32:00,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:00,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:00,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:00,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 17:32:00,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 17:32:00,761 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 [2021-11-13 17:32:00,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:00,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:00,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:00,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 17:32:00,800 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 [2021-11-13 17:32:00,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:00,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:00,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:00,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 17:32:00,852 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 [2021-11-13 17:32:00,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:00,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:00,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,898 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 17:32:00,905 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 [2021-11-13 17:32:00,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:00,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:00,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:00,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:00,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:00,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:00,963 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:00,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 17:32:00,968 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 [2021-11-13 17:32:00,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:00,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:00,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:00,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:00,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:00,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:00,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:00,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:01,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:01,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:01,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:01,010 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:01,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 17:32:01,016 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 [2021-11-13 17:32:01,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:01,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:01,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:01,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:01,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:01,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:01,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:01,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:01,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:01,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:01,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:01,064 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:01,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 17:32:01,069 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 [2021-11-13 17:32:01,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:01,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:01,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:01,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:01,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:01,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:01,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:01,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:01,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-13 17:32:01,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:01,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:01,111 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:01,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 17:32:01,112 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 [2021-11-13 17:32:01,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:01,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:01,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:01,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:01,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:01,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:01,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:01,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:01,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:01,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:01,157 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:01,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 17:32:01,159 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 [2021-11-13 17:32:01,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:01,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:01,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:01,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:01,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:01,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:01,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:01,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:01,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:01,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:01,221 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:01,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:01,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:01,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:01,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:01,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:01,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:01,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:01,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 17:32:01,271 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:32:01,338 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-13 17:32:01,338 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-13 17:32:01,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:01,341 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:01,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 17:32:01,344 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:32:01,369 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:32:01,369 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:32:01,370 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-11-13 17:32:01,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:01,451 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-13 17:32:01,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:32:01,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,553 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:32:01,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:01,650 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 [2021-11-13 17:32:01,652 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-11-13 17:32:01,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 24 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 66 states and 92 transitions. Complement of second has 8 states. [2021-11-13 17:32:01,751 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 [2021-11-13 17:32:01,755 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) [2021-11-13 17:32:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2021-11-13 17:32:01,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-13 17:32:01,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:01,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-13 17:32:01,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:01,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-13 17:32:01,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:01,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 92 transitions. [2021-11-13 17:32:01,765 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:01,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 19 states and 24 transitions. [2021-11-13 17:32:01,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-13 17:32:01,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-13 17:32:01,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2021-11-13 17:32:01,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:01,771 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-11-13 17:32:01,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2021-11-13 17:32:01,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-13 17:32:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2021-11-13 17:32:01,798 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-11-13 17:32:01,798 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2021-11-13 17:32:01,798 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 17:32:01,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2021-11-13 17:32:01,801 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:01,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:01,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:01,802 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 17:32:01,802 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:01,803 INFO L791 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 171#L34-3 assume !(main_~i~1#1 < 10); 163#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 164#L20-3 [2021-11-13 17:32:01,803 INFO L793 eck$LassoCheckResult]: Loop: 164#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 177#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 164#L20-3 [2021-11-13 17:32:01,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:01,804 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-11-13 17:32:01,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:01,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542790361] [2021-11-13 17:32:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:01,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:01,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:01,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542790361] [2021-11-13 17:32:01,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542790361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:01,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:01,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:32:01,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764477417] [2021-11-13 17:32:01,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:01,873 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2021-11-13 17:32:01,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:01,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931646309] [2021-11-13 17:32:01,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:01,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:01,880 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:01,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:01,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:01,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:32:01,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:32:01,929 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 10 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) [2021-11-13 17:32:01,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:01,942 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-11-13 17:32:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:32:01,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-11-13 17:32:01,955 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:01,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2021-11-13 17:32:01,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-13 17:32:01,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-13 17:32:01,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2021-11-13 17:32:01,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:01,959 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-11-13 17:32:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2021-11-13 17:32:01,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-13 17:32:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 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) [2021-11-13 17:32:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2021-11-13 17:32:01,963 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-13 17:32:01,964 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2021-11-13 17:32:01,964 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 17:32:01,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2021-11-13 17:32:01,965 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:01,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:01,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:01,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 17:32:01,967 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:01,967 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 207#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 216#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 219#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 220#L34-3 assume !(main_~i~1#1 < 10); 208#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 209#L20-3 [2021-11-13 17:32:01,967 INFO L793 eck$LassoCheckResult]: Loop: 209#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 222#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 209#L20-3 [2021-11-13 17:32:01,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:01,967 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-11-13 17:32:01,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:01,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212408427] [2021-11-13 17:32:01,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:02,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:02,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212408427] [2021-11-13 17:32:02,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212408427] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:02,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506639301] [2021-11-13 17:32:02,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:02,023 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:02,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-13 17:32:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:02,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:32:02,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:02,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:02,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506639301] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:02,191 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:02,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-13 17:32:02,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032537682] [2021-11-13 17:32:02,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:02,193 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:02,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2021-11-13 17:32:02,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:02,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851115608] [2021-11-13 17:32:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,202 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:02,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:02,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:02,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:32:02,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:32:02,262 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 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) [2021-11-13 17:32:02,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:02,299 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2021-11-13 17:32:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:32:02,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2021-11-13 17:32:02,306 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:02,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2021-11-13 17:32:02,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-13 17:32:02,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-13 17:32:02,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2021-11-13 17:32:02,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:02,310 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-13 17:32:02,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2021-11-13 17:32:02,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-13 17:32:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 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) [2021-11-13 17:32:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-13 17:32:02,315 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-13 17:32:02,315 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-13 17:32:02,316 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 17:32:02,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2021-11-13 17:32:02,317 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:02,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:02,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:02,319 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-11-13 17:32:02,319 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:02,319 INFO L791 eck$LassoCheckResult]: Stem: 288#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 300#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 307#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 308#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 303#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 304#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 312#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 311#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 310#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 309#L34-3 assume !(main_~i~1#1 < 10); 292#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 293#L20-3 [2021-11-13 17:32:02,319 INFO L793 eck$LassoCheckResult]: Loop: 293#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 306#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 293#L20-3 [2021-11-13 17:32:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,320 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2021-11-13 17:32:02,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:02,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290312116] [2021-11-13 17:32:02,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:02,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:02,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290312116] [2021-11-13 17:32:02,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290312116] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:02,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431962178] [2021-11-13 17:32:02,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:32:02,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:02,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:02,399 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:02,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-13 17:32:02,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 17:32:02,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:32:02,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:32:02,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:02,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:02,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431962178] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:02,618 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:02,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-13 17:32:02,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030111866] [2021-11-13 17:32:02,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:02,621 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:02,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2021-11-13 17:32:02,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:02,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006308495] [2021-11-13 17:32:02,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,642 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,654 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:02,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:02,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 17:32:02,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-13 17:32:02,705 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 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) [2021-11-13 17:32:02,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:02,763 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2021-11-13 17:32:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:32:02,764 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2021-11-13 17:32:02,771 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:02,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 41 transitions. [2021-11-13 17:32:02,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-13 17:32:02,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-13 17:32:02,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 41 transitions. [2021-11-13 17:32:02,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:02,773 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-11-13 17:32:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 41 transitions. [2021-11-13 17:32:02,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-11-13 17:32:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 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) [2021-11-13 17:32:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2021-11-13 17:32:02,777 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-11-13 17:32:02,778 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-11-13 17:32:02,778 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-13 17:32:02,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2021-11-13 17:32:02,779 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-13 17:32:02,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:02,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:02,781 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2021-11-13 17:32:02,782 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:02,782 INFO L791 eck$LassoCheckResult]: Stem: 432#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 433#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 444#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 451#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 452#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 447#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 448#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 468#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 467#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 466#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 465#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 464#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 463#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 462#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 461#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 460#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 459#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 458#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 457#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 456#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 455#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 454#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 453#L34-3 assume !(main_~i~1#1 < 10); 436#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 437#L20-3 [2021-11-13 17:32:02,783 INFO L793 eck$LassoCheckResult]: Loop: 437#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 450#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 437#L20-3 [2021-11-13 17:32:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2021-11-13 17:32:02,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:02,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645532507] [2021-11-13 17:32:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,837 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,897 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2021-11-13 17:32:02,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:02,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109919636] [2021-11-13 17:32:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,907 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,917 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:02,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:02,918 INFO L85 PathProgramCache]: Analyzing trace with hash -95702815, now seen corresponding path program 1 times [2021-11-13 17:32:02,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:02,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749433593] [2021-11-13 17:32:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:02,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:02,971 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:03,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:08,176 WARN L227 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 251 DAG size of output: 181 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 17:32:08,747 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:32:08,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:32:08,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:32:08,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:32:08,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:32:08,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:08,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:32:08,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:32:08,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration5_Lasso [2021-11-13 17:32:08,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:32:08,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:32:08,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:08,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:32:09,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:32:09,315 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:32:09,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,345 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,346 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 [2021-11-13 17:32:09,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,356 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 17:32:09,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,385 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 17:32:09,387 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 [2021-11-13 17:32:09,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,416 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 17:32:09,418 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 [2021-11-13 17:32:09,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:09,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:09,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,487 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 17:32:09,497 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 [2021-11-13 17:32:09,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,528 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 17:32:09,530 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 [2021-11-13 17:32:09,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,560 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 17:32:09,561 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 [2021-11-13 17:32:09,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,598 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 17:32:09,600 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 [2021-11-13 17:32:09,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,631 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 17:32:09,635 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 [2021-11-13 17:32:09,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:09,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:09,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,695 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 17:32:09,697 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 [2021-11-13 17:32:09,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:09,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:09,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:09,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,735 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,737 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 [2021-11-13 17:32:09,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 17:32:09,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:09,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:09,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,804 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,806 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 [2021-11-13 17:32:09,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:09,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:09,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 17:32:09,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,872 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,875 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 [2021-11-13 17:32:09,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:09,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:09,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 17:32:09,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,925 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:09,927 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 [2021-11-13 17:32:09,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:09,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:09,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:09,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:09,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:09,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:09,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 17:32:09,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:09,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:09,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:09,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:09,997 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,000 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 [2021-11-13 17:32:10,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:10,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:32:10,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:10,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:10,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:10,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:32:10,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:32:10,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 17:32:10,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:10,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-13 17:32:10,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:10,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,044 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 17:32:10,046 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 [2021-11-13 17:32:10,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:10,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:10,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:10,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:10,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:10,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:10,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:10,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-13 17:32:10,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:10,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,083 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 17:32:10,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:32:10,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:10,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:10,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:10,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:10,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:10,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:10,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:10,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:10,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:10,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,157 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,158 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 [2021-11-13 17:32:10,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 17:32:10,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:10,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:10,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:10,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:10,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:10,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:10,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:10,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-13 17:32:10,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,192 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,200 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 [2021-11-13 17:32:10,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:10,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:10,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:10,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:10,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:10,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:10,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 17:32:10,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:32:10,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:10,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,284 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,286 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 [2021-11-13 17:32:10,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:32:10,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:32:10,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:32:10,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:32:10,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:32:10,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:32:10,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-13 17:32:10,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:32:10,349 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-11-13 17:32:10,349 INFO L444 ModelExtractionUtils]: 11 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-11-13 17:32:10,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:32:10,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,351 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:32:10,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 17:32:10,377 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-13 17:32:10,377 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:32:10,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 19 Supporting invariants [] [2021-11-13 17:32:10,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-13 17:32:10,446 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-11-13 17:32:10,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:32:10,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:32:10,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:32:10,568 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 [2021-11-13 17:32:10,568 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:10,583 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 48 transitions. Complement of second has 7 states. [2021-11-13 17:32:10,584 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 [2021-11-13 17:32:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-11-13 17:32:10,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 2 letters. [2021-11-13 17:32:10,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:10,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 26 letters. Loop has 2 letters. [2021-11-13 17:32:10,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:10,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 4 letters. [2021-11-13 17:32:10,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:32:10,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2021-11-13 17:32:10,589 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:10,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 38 states and 43 transitions. [2021-11-13 17:32:10,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-13 17:32:10,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-13 17:32:10,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2021-11-13 17:32:10,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:10,591 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-11-13 17:32:10,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2021-11-13 17:32:10,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-13 17:32:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:10,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2021-11-13 17:32:10,594 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-11-13 17:32:10,594 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2021-11-13 17:32:10,594 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-13 17:32:10,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 43 transitions. [2021-11-13 17:32:10,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:10,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:10,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:10,596 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:10,597 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:10,597 INFO L791 eck$LassoCheckResult]: Stem: 658#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 659#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 668#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 676#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 677#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 671#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 672#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 693#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 692#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 691#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 690#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 689#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 688#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 687#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 686#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 685#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 684#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 683#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 682#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 681#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 680#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 679#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 678#L34-3 assume !(main_~i~1#1 < 10); 660#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 661#L20-3 assume !(avg_~i~0#1 < 10); 669#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 670#L23 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 666#L20-8 [2021-11-13 17:32:10,597 INFO L793 eck$LassoCheckResult]: Loop: 666#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 667#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 666#L20-8 [2021-11-13 17:32:10,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:10,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178265, now seen corresponding path program 1 times [2021-11-13 17:32:10,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:10,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078403644] [2021-11-13 17:32:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:10,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 17:32:10,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:10,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078403644] [2021-11-13 17:32:10,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078403644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:10,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:32:10,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:32:10,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073722232] [2021-11-13 17:32:10,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:10,641 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2021-11-13 17:32:10,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:10,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376469585] [2021-11-13 17:32:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:10,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:10,646 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:10,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:10,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:10,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:32:10,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:32:10,689 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. cyclomatic complexity: 10 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) [2021-11-13 17:32:10,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:10,713 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2021-11-13 17:32:10,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:32:10,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2021-11-13 17:32:10,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:10,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 47 transitions. [2021-11-13 17:32:10,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-11-13 17:32:10,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-11-13 17:32:10,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 47 transitions. [2021-11-13 17:32:10,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:10,716 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 47 transitions. [2021-11-13 17:32:10,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 47 transitions. [2021-11-13 17:32:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2021-11-13 17:32:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2021-11-13 17:32:10,720 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-11-13 17:32:10,720 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-11-13 17:32:10,720 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-13 17:32:10,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2021-11-13 17:32:10,721 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:10,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:10,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:10,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:10,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:10,722 INFO L791 eck$LassoCheckResult]: Stem: 745#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 746#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 755#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 758#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 759#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 764#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 781#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 780#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 779#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 778#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 777#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 776#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 775#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 774#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 773#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 772#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 771#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 770#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 769#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 768#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 767#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 766#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 765#L34-3 assume !(main_~i~1#1 < 10); 747#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 748#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 761#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 762#L20-3 assume !(avg_~i~0#1 < 10); 756#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 757#L23 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 753#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 754#L20-7 [2021-11-13 17:32:10,723 INFO L793 eck$LassoCheckResult]: Loop: 754#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 763#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 754#L20-7 [2021-11-13 17:32:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:10,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1721709263, now seen corresponding path program 1 times [2021-11-13 17:32:10,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:10,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380258414] [2021-11-13 17:32:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:10,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 17:32:10,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:10,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380258414] [2021-11-13 17:32:10,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380258414] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:10,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017061299] [2021-11-13 17:32:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:10,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:10,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:10,764 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:10,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-11-13 17:32:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:10,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 17:32:10,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 17:32:10,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:10,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-13 17:32:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 17:32:10,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017061299] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:10,997 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:10,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-13 17:32:11,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155483778] [2021-11-13 17:32:11,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:11,002 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:11,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:11,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2021-11-13 17:32:11,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:11,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902977053] [2021-11-13 17:32:11,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,011 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:11,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:11,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:32:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:32:11,066 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2021-11-13 17:32:11,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:11,126 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2021-11-13 17:32:11,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:32:11,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 62 transitions. [2021-11-13 17:32:11,128 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:11,129 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 62 transitions. [2021-11-13 17:32:11,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-11-13 17:32:11,129 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-11-13 17:32:11,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 62 transitions. [2021-11-13 17:32:11,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:11,130 INFO L681 BuchiCegarLoop]: Abstraction has 58 states and 62 transitions. [2021-11-13 17:32:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 62 transitions. [2021-11-13 17:32:11,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2021-11-13 17:32:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 50 states have internal predecessors, (55), 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) [2021-11-13 17:32:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2021-11-13 17:32:11,134 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2021-11-13 17:32:11,134 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2021-11-13 17:32:11,134 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-13 17:32:11,134 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 55 transitions. [2021-11-13 17:32:11,135 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:11,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:11,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:11,137 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:11,137 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:11,137 INFO L791 eck$LassoCheckResult]: Stem: 1024#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1025#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1036#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1046#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1047#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1039#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1040#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1074#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1073#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1072#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1071#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1070#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1069#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1068#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1067#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1066#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1065#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1064#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1063#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1062#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1061#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1060#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1059#L34-3 assume !(main_~i~1#1 < 10); 1028#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1029#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1042#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1043#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1044#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1058#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1057#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1055#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1052#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1051#L20-3 assume !(avg_~i~0#1 < 10); 1037#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1038#L23 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1034#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1035#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1045#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1056#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1054#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1053#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1050#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1049#L20-7 [2021-11-13 17:32:11,137 INFO L793 eck$LassoCheckResult]: Loop: 1049#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1048#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1049#L20-7 [2021-11-13 17:32:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash 512696561, now seen corresponding path program 1 times [2021-11-13 17:32:11,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:11,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567783068] [2021-11-13 17:32:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-13 17:32:11,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:11,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567783068] [2021-11-13 17:32:11,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567783068] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:11,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141096710] [2021-11-13 17:32:11,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:11,205 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:11,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-11-13 17:32:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:11,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 17:32:11,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-13 17:32:11,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:32:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-13 17:32:11,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141096710] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:32:11,484 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:32:11,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-13 17:32:11,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806856006] [2021-11-13 17:32:11,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:32:11,485 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 17:32:11,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:11,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2021-11-13 17:32:11,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:11,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936546333] [2021-11-13 17:32:11,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,489 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:11,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:11,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 17:32:11,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-13 17:32:11,538 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 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) [2021-11-13 17:32:11,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:11,665 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2021-11-13 17:32:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:32:11,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 98 transitions. [2021-11-13 17:32:11,667 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:11,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 98 transitions. [2021-11-13 17:32:11,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2021-11-13 17:32:11,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-11-13 17:32:11,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 98 transitions. [2021-11-13 17:32:11,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:11,670 INFO L681 BuchiCegarLoop]: Abstraction has 94 states and 98 transitions. [2021-11-13 17:32:11,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 98 transitions. [2021-11-13 17:32:11,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 75. [2021-11-13 17:32:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 74 states have internal predecessors, (79), 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) [2021-11-13 17:32:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2021-11-13 17:32:11,675 INFO L704 BuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2021-11-13 17:32:11,675 INFO L587 BuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2021-11-13 17:32:11,675 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-13 17:32:11,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 79 transitions. [2021-11-13 17:32:11,676 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-13 17:32:11,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:11,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:11,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:11,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:11,679 INFO L791 eck$LassoCheckResult]: Stem: 1431#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1432#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1443#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1446#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1447#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1453#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1505#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1504#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1503#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1502#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1501#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1500#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1499#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1498#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1497#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1496#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1495#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1494#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1493#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1492#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1491#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1490#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1489#L34-3 assume !(main_~i~1#1 < 10); 1435#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1436#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1449#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1450#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1451#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1488#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1487#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1485#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1483#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1481#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1479#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1477#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1475#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1473#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1471#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1469#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1467#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1465#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1463#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1461#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1458#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1457#L20-3 assume !(avg_~i~0#1 < 10); 1444#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1445#L23 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1441#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1442#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1452#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1486#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1484#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1482#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1480#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1478#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1476#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1474#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1472#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1470#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1468#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1466#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1464#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1462#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1460#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1459#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1456#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1455#L20-7 [2021-11-13 17:32:11,679 INFO L793 eck$LassoCheckResult]: Loop: 1455#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1454#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1455#L20-7 [2021-11-13 17:32:11,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash -549950095, now seen corresponding path program 2 times [2021-11-13 17:32:11,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:11,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305606227] [2021-11-13 17:32:11,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,801 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,912 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2021-11-13 17:32:11,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:11,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608957972] [2021-11-13 17:32:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,916 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:11,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:11,920 INFO L85 PathProgramCache]: Analyzing trace with hash -221062545, now seen corresponding path program 3 times [2021-11-13 17:32:11,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:11,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602029338] [2021-11-13 17:32:11,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:11,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:32:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-13 17:32:12,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:32:12,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602029338] [2021-11-13 17:32:12,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602029338] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:32:12,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385999566] [2021-11-13 17:32:12,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 17:32:12,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:32:12,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:32:12,075 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:32:12,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49c7cbef-bba7-41d6-8f93-08e33deaca82/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-13 17:32:12,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-11-13 17:32:12,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:32:12,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 17:32:12,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:32:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-11-13 17:32:12,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:32:12,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385999566] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:32:12,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:32:12,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2021-11-13 17:32:12,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059202633] [2021-11-13 17:32:12,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:32:12,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:32:12,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 17:32:12,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2021-11-13 17:32:12,585 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. cyclomatic complexity: 9 Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 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) [2021-11-13 17:32:12,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:32:12,750 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2021-11-13 17:32:12,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:32:12,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 95 transitions. [2021-11-13 17:32:12,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:32:12,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 72 states and 73 transitions. [2021-11-13 17:32:12,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-11-13 17:32:12,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-11-13 17:32:12,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 73 transitions. [2021-11-13 17:32:12,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:32:12,754 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2021-11-13 17:32:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 73 transitions. [2021-11-13 17:32:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-11-13 17:32:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 71 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:32:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2021-11-13 17:32:12,759 INFO L704 BuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2021-11-13 17:32:12,759 INFO L587 BuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2021-11-13 17:32:12,759 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-13 17:32:12,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 73 transitions. [2021-11-13 17:32:12,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:32:12,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:32:12,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:32:12,761 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:32:12,761 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:32:12,762 INFO L791 eck$LassoCheckResult]: Stem: 1822#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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); 1823#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1830#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1838#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1839#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1833#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1834#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1891#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1890#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1889#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1888#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1887#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1886#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1885#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1884#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1883#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1882#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1881#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1880#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1879#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1878#L34-3 assume !!(main_~i~1#1 < 10);call write~int(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1877#L34-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1876#L34-3 assume !(main_~i~1#1 < 10); 1824#L34-4 assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1825#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1835#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1836#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1875#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1874#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1872#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1870#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1868#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1866#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1864#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1862#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1860#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1858#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1856#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1854#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1852#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1850#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1848#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1846#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1844#L20-2 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1842#L20-3 assume !(avg_~i~0#1 < 10); 1831#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1832#L23 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem4#1, avg_#t~post3#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1828#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1829#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1837#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1873#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1871#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1869#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1867#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1865#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1863#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1861#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1859#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1857#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1855#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1853#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1851#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1849#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1847#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1845#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1843#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem4#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem4#1;havoc avg_#t~mem4#1; 1841#L20-7 avg_#t~post3#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post3#1;havoc avg_#t~post3#1; 1840#L20-8 assume !(avg_~i~0#1 < 10); 1820#L20-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1821#L23-1 main_#t~ret10#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem11#1;havoc main_#t~mem11#1;main_~i~2#1 := 0; 1827#L43-3 [2021-11-13 17:32:12,762 INFO L793 eck$LassoCheckResult]: Loop: 1827#L43-3 assume !!(main_~i~2#1 < 9);call main_#t~mem13#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem13#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem13#1; 1826#L43-2 main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1827#L43-3 [2021-11-13 17:32:12,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708689, now seen corresponding path program 1 times [2021-11-13 17:32:12,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:12,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222454654] [2021-11-13 17:32:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:12,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:12,894 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:13,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2021-11-13 17:32:13,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:13,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317979021] [2021-11-13 17:32:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:13,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:13,035 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:13,038 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:32:13,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1072398385, now seen corresponding path program 1 times [2021-11-13 17:32:13,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:32:13,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106344060] [2021-11-13 17:32:13,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:32:13,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:32:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:13,102 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:32:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:32:13,182 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:32:39,498 WARN L227 SmtUtils]: Spent 26.23s on a formula simplification. DAG size of input: 633 DAG size of output: 436 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 17:33:11,938 WARN L227 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 71 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-13 17:33:22,296 WARN L227 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 17:33:22,299 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:33:22,299 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:33:22,299 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:33:22,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:33:22,299 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:33:22,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:33:22,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:33:22,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:33:22,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration10_Lasso [2021-11-13 17:33:22,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:33:22,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:33:22,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:22,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:22,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:22,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:22,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:22,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:22,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:33:37,230 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 69