./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c --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_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/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_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/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_5e908f81-c254-4945-9867-95dc85ffa6fc/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 6c7bda6ec8155a470f5f9e07367696d7e5cc6867667668ebd692704e4077816f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:48:00,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:48:00,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:48:00,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:48:00,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:48:00,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:48:00,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:48:00,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:48:00,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:48:00,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:48:00,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:48:00,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:48:00,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:48:00,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:48:00,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:48:00,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:48:00,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:48:00,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:48:00,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:48:00,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:48:00,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:48:00,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:48:00,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:48:00,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:48:00,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:48:00,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:48:00,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:48:00,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:48:00,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:48:00,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:48:00,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:48:00,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:48:00,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:48:00,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:48:00,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:48:00,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:48:00,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:48:00,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:48:00,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:48:00,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:48:00,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:48:00,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:48:00,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:48:00,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:48:00,495 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:48:00,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:48:00,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:48:00,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:48:00,498 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:48:00,499 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:48:00,499 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:48:00,499 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:48:00,501 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:48:00,501 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:48:00,502 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:48:00,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:48:00,502 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:48:00,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:48:00,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:48:00,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:48:00,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:48:00,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:48:00,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:48:00,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:48:00,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:48:00,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:48:00,506 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:48:00,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:48:00,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:48:00,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:48:00,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:48:00,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:48:00,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:48:00,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:48:00,513 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:48:00,513 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_5e908f81-c254-4945-9867-95dc85ffa6fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c7bda6ec8155a470f5f9e07367696d7e5cc6867667668ebd692704e4077816f [2021-11-13 18:48:00,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:48:00,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:48:00,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:48:00,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:48:00,990 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:48:00,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2021-11-13 18:48:01,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/data/4ed9d10ea/5316f6633be148c5922772a2b450b676/FLAGc2d0c7691 [2021-11-13 18:48:01,893 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:48:01,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2021-11-13 18:48:01,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/data/4ed9d10ea/5316f6633be148c5922772a2b450b676/FLAGc2d0c7691 [2021-11-13 18:48:02,120 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/data/4ed9d10ea/5316f6633be148c5922772a2b450b676 [2021-11-13 18:48:02,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:48:02,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:48:02,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:48:02,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:48:02,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:48:02,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:02,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cb03db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02, skipping insertion in model container [2021-11-13 18:48:02,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:02,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:48:02,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:48:02,702 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_5e908f81-c254-4945-9867-95dc85ffa6fc/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c[28192,28205] [2021-11-13 18:48:02,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:48:02,719 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:48:02,882 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_5e908f81-c254-4945-9867-95dc85ffa6fc/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c[28192,28205] [2021-11-13 18:48:02,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:48:02,907 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:48:02,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02 WrapperNode [2021-11-13 18:48:02,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:48:02,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:48:02,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:48:02,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:48:02,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:02,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:48:03,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:48:03,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:48:03,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:48:03,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:48:03,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:48:03,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:48:03,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:48:03,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (1/1) ... [2021-11-13 18:48:03,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:03,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:03,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:03,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:48:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:48:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:48:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:48:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:48:05,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:48:05,049 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:48:05,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:05 BoogieIcfgContainer [2021-11-13 18:48:05,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:48:05,055 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:48:05,055 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:48:05,060 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:48:05,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:48:05,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:48:02" (1/3) ... [2021-11-13 18:48:05,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2285f856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:48:05, skipping insertion in model container [2021-11-13 18:48:05,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:48:05,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:02" (2/3) ... [2021-11-13 18:48:05,065 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2285f856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:48:05, skipping insertion in model container [2021-11-13 18:48:05,065 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:48:05,065 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:05" (3/3) ... [2021-11-13 18:48:05,067 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.ufo.BOUNDED-8.pals.c [2021-11-13 18:48:05,129 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:48:05,129 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:48:05,129 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:48:05,130 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:48:05,130 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:48:05,130 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:48:05,130 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:48:05,130 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:48:05,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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 18:48:05,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2021-11-13 18:48:05,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:48:05,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:48:05,255 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:05,255 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:05,255 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:48:05,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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 18:48:05,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2021-11-13 18:48:05,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:48:05,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:48:05,306 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:05,312 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:05,339 INFO L791 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(37);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 204#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~ret59#1, main_#t~ret60#1, main_#t~post61#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep13~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep14~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep21~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep23~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep24~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep31~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep32~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep34~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~ep41~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~ep42~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~ep43~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~r1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~nl1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~m1~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~max1~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~mode1~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~id2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~r2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~st2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~nl2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~m2~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~max2~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode2~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~id3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~r3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~st3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~nl3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~m3~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~max3~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~mode3~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~id4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~r4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~st4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~nl4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~m4~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~max4~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~mode4~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 176#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 132#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 296#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 277#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 261#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 275#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 121#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 150#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 193#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 67#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 85#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 47#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 246#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 44#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 187#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 194#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 69#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 117#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 300#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 74#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 292#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 203#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 206#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 24#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 158#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 103#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 170#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 8#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 55#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 262#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 12#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 233#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 201#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 210#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 273#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 98#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 265#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 140#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 169#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 22#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 45#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 267#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 131#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 134#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 14#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 167#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 97#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 143#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 164#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 122#L897-1true init_#res#1 := init_~tmp___23~0#1; 305#L1066true main_#t~ret59#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret59#1;havoc main_#t~ret59#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 108#L21true assume !(0 == assume_abort_if_not_~cond#1); 173#L20true assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 101#L1203-2true [2021-11-13 18:48:05,346 INFO L793 eck$LassoCheckResult]: Loop: 101#L1203-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_#t~ite8#1, node1_#t~ite9#1; 124#L109true assume !(0 != ~mode1~0 % 256); 46#L141true assume !(~r1~0 < 3); 285#L141-1true ~mode1~0 := 1; 146#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite10#1, node2_#t~ite11#1, node2_#t~ite12#1; 197#L162true assume !(0 != ~mode2~0 % 256); 263#L194true assume !(~r2~0 < 3); 6#L194-1true ~mode2~0 := 1; 58#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite13#1, node3_#t~ite14#1, node3_#t~ite15#1; 155#L215true assume !(0 != ~mode3~0 % 256); 119#L247true assume !(~r3~0 < 3); 286#L247-1true ~mode3~0 := 1; 294#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite16#1, node4_#t~ite17#1, node4_#t~ite18#1; 182#L268true assume !(0 != ~mode4~0 % 256); 231#L300true assume !(~r4~0 < 3); 48#L300-1true ~mode4~0 := 1; 270#L268-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 200#L1074true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 195#L1074-1true check_#res#1 := check_~tmp~1#1; 253#L1126true main_#t~ret60#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret60#1;havoc main_#t~ret60#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 43#L1246true assume !(0 == assert_~arg#1 % 256); 36#L1241true assume { :end_inline_assert } true;main_#t~post61#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post61#1;havoc main_#t~post61#1; 101#L1203-2true [2021-11-13 18:48:05,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2021-11-13 18:48:05,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:05,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191886754] [2021-11-13 18:48:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:05,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:06,044 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 18:48:06,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:06,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191886754] [2021-11-13 18:48:06,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191886754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:06,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:06,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:48:06,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265271162] [2021-11-13 18:48:06,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:06,059 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:48:06,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:06,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1319514639, now seen corresponding path program 1 times [2021-11-13 18:48:06,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:06,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998019232] [2021-11-13 18:48:06,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:06,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:06,294 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 18:48:06,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:06,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998019232] [2021-11-13 18:48:06,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998019232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:06,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:06,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:48:06,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648079904] [2021-11-13 18:48:06,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:06,300 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:48:06,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:06,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:48:06,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:48:06,358 INFO L87 Difference]: Start difference. First operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:48:06,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:06,543 INFO L93 Difference]: Finished difference Result 307 states and 545 transitions. [2021-11-13 18:48:06,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:48:06,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 545 transitions. [2021-11-13 18:48:06,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-11-13 18:48:06,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 298 states and 528 transitions. [2021-11-13 18:48:06,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2021-11-13 18:48:06,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2021-11-13 18:48:06,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 528 transitions. [2021-11-13 18:48:06,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:48:06,606 INFO L681 BuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2021-11-13 18:48:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 528 transitions. [2021-11-13 18:48:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2021-11-13 18:48:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 298 states have (on average 1.7718120805369129) internal successors, (528), 297 states have internal predecessors, (528), 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 18:48:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 528 transitions. [2021-11-13 18:48:06,704 INFO L704 BuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2021-11-13 18:48:06,705 INFO L587 BuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2021-11-13 18:48:06,706 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:48:06,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 298 states and 528 transitions. [2021-11-13 18:48:06,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-11-13 18:48:06,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:48:06,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:48:06,720 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:06,721 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:06,722 INFO L791 eck$LassoCheckResult]: Stem: 925#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(37);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 895#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~ret59#1, main_#t~ret60#1, main_#t~post61#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep13~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep14~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep21~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep23~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep24~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep31~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep32~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep34~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~ep41~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~ep42~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~ep43~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~r1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~nl1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~m1~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~max1~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~mode1~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~id2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~r2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~st2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~nl2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~m2~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~max2~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode2~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~id3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~r3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~st3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~nl3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~m3~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~max3~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~mode3~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~id4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~r4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~st4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~nl4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~m4~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~max4~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~mode4~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 878#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 779#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 848#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 667#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 922#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 713#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 833#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 746#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 862#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 756#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 757#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 695#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 728#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 718#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 720#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 832#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 760#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 737#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 828#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 671#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 769#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 701#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 894#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 680#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 681#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 704#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 812#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 641#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 642#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 709#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 651#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 652#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 892#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 630#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 898#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 805#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 806#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 771#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 854#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 647#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 679#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 721#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 847#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 698#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 656#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 657#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 804#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 675#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 856#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 634#L897-1 init_#res#1 := init_~tmp___23~0#1; 834#L1066 main_#t~ret59#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret59#1;havoc main_#t~ret59#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 817#L21 assume !(0 == assume_abort_if_not_~cond#1); 818#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 707#L1203-2 [2021-11-13 18:48:06,723 INFO L793 eck$LassoCheckResult]: Loop: 707#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_#t~ite8#1, node1_#t~ite9#1; 809#L109 assume !(0 != ~mode1~0 % 256); 723#L141 assume !(~r1~0 < 3); 724#L141-1 ~mode1~0 := 1; 858#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite10#1, node2_#t~ite11#1, node2_#t~ite12#1; 859#L162 assume !(0 != ~mode2~0 % 256); 889#L194 assume !(~r2~0 < 3); 636#L194-1 ~mode2~0 := 1; 637#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite13#1, node3_#t~ite14#1, node3_#t~ite15#1; 745#L215 assume !(0 != ~mode3~0 % 256); 829#L247 assume !(~r3~0 < 3); 692#L247-1 ~mode3~0 := 1; 886#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite16#1, node4_#t~ite17#1, node4_#t~ite18#1; 880#L268 assume !(0 != ~mode4~0 % 256); 881#L300 assume !(~r4~0 < 3); 726#L300-1 ~mode4~0 := 1; 727#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 891#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 837#L1075 assume ~st1~0 + ~nl1~0 <= 1; 838#L1076 assume ~st2~0 + ~nl2~0 <= 1; 861#L1077 assume ~st3~0 + ~nl3~0 <= 1; 735#L1078 assume ~st4~0 + ~nl4~0 <= 1; 648#L1079 assume ~r1~0 >= 3; 650#L1083 assume ~r1~0 < 3; 867#L1088 assume ~r1~0 >= 3; 884#L1093 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 872#L1074-1 check_#res#1 := check_~tmp~1#1; 887#L1126 main_#t~ret60#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret60#1;havoc main_#t~ret60#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 719#L1246 assume !(0 == assert_~arg#1 % 256); 706#L1241 assume { :end_inline_assert } true;main_#t~post61#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post61#1;havoc main_#t~post61#1; 707#L1203-2 [2021-11-13 18:48:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2021-11-13 18:48:06,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:06,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54311254] [2021-11-13 18:48:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:06,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:06,950 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 18:48:06,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:06,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54311254] [2021-11-13 18:48:06,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54311254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:06,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:06,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:48:06,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283928752] [2021-11-13 18:48:06,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:06,953 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:48:06,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:06,954 INFO L85 PathProgramCache]: Analyzing trace with hash 94444480, now seen corresponding path program 1 times [2021-11-13 18:48:06,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:06,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133793688] [2021-11-13 18:48:06,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:06,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:06,991 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 18:48:06,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:06,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133793688] [2021-11-13 18:48:06,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133793688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:06,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:06,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:48:06,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220663937] [2021-11-13 18:48:06,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:06,994 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:48:06,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:06,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:48:06,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:48:06,995 INFO L87 Difference]: Start difference. First operand 298 states and 528 transitions. cyclomatic complexity: 231 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:48:07,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:07,057 INFO L93 Difference]: Finished difference Result 383 states and 662 transitions. [2021-11-13 18:48:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:48:07,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 662 transitions. [2021-11-13 18:48:07,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2021-11-13 18:48:07,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 383 states and 662 transitions. [2021-11-13 18:48:07,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2021-11-13 18:48:07,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 383 [2021-11-13 18:48:07,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 383 states and 662 transitions. [2021-11-13 18:48:07,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:48:07,076 INFO L681 BuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2021-11-13 18:48:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states and 662 transitions. [2021-11-13 18:48:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2021-11-13 18:48:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 383 states have (on average 1.7284595300261096) internal successors, (662), 382 states have internal predecessors, (662), 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 18:48:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 662 transitions. [2021-11-13 18:48:07,125 INFO L704 BuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2021-11-13 18:48:07,125 INFO L587 BuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2021-11-13 18:48:07,125 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 18:48:07,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states and 662 transitions. [2021-11-13 18:48:07,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2021-11-13 18:48:07,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:48:07,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:48:07,133 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:07,133 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:48:07,133 INFO L791 eck$LassoCheckResult]: Stem: 1620#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(37);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1588#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~ret59#1, main_#t~ret60#1, main_#t~post61#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep13~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep14~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep21~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep23~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep24~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep31~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep32~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep34~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~ep41~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~ep42~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~ep43~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~r1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~st1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~nl1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~m1~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~max1~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~mode1~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~id2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~r2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~st2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~nl2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~m2~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~max2~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~mode2~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~id3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~r3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~st3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~nl3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~m3~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~max3~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~mode3~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~id4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~r4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~st4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~nl4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~m4~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~max4~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~mode4~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1571#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1470#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1540#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1356#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1616#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1402#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1526#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1436#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1557#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1447#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1448#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1384#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1416#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1407#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1409#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1524#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1449#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1425#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1520#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1360#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1458#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1390#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1587#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1369#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1370#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1393#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1507#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1331#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1332#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1398#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1340#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1341#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1585#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1320#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1591#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1496#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1497#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1460#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1546#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1334#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1365#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1410#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1539#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1387#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1345#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1346#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1495#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1364#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1548#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1324#L897-1 init_#res#1 := init_~tmp___23~0#1; 1525#L1066 main_#t~ret59#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret59#1;havoc main_#t~ret59#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1508#L21 assume !(0 == assume_abort_if_not_~cond#1); 1509#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1569#L1203-2 [2021-11-13 18:48:07,139 INFO L793 eck$LassoCheckResult]: Loop: 1569#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_#t~ite8#1, node1_#t~ite9#1; 1696#L109 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 1527#L111 assume !(0 != ~ep21~0 % 256); 1427#L111-1 assume !(0 != ~ep31~0 % 256); 1376#L118 assume !(0 != ~ep41~0 % 256); 1596#L125 assume !(3 == ~r1~0); 1612#L132 ~mode1~0 := 0; 1677#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite10#1, node2_#t~ite11#1, node2_#t~ite12#1; 1675#L162 assume !(0 != ~mode2~0 % 256); 1676#L194 assume !(~r2~0 < 3); 1662#L194-1 ~mode2~0 := 1; 1657#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite13#1, node3_#t~ite14#1, node3_#t~ite15#1; 1655#L215 assume !(0 != ~mode3~0 % 256); 1656#L247 assume !(~r3~0 < 3); 1644#L247-1 ~mode3~0 := 1; 1643#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite16#1, node4_#t~ite17#1, node4_#t~ite18#1; 1639#L268 assume !(0 != ~mode4~0 % 256); 1635#L300 assume !(~r4~0 < 3); 1628#L300-1 ~mode4~0 := 1; 1627#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1626#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1625#L1075 assume ~st1~0 + ~nl1~0 <= 1; 1624#L1076 assume ~st2~0 + ~nl2~0 <= 1; 1623#L1077 assume ~st3~0 + ~nl3~0 <= 1; 1622#L1078 assume ~st4~0 + ~nl4~0 <= 1; 1621#L1079 assume !(~r1~0 >= 3); 1463#L1082 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1464#L1083 assume ~r1~0 < 3; 1694#L1088 assume !(~r1~0 >= 3); 1576#L1092 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1577#L1093 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1700#L1074-1 check_#res#1 := check_~tmp~1#1; 1699#L1126 main_#t~ret60#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret60#1;havoc main_#t~ret60#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1698#L1246 assume !(0 == assert_~arg#1 % 256); 1697#L1241 assume { :end_inline_assert } true;main_#t~post61#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post61#1;havoc main_#t~post61#1; 1569#L1203-2 [2021-11-13 18:48:07,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:07,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2021-11-13 18:48:07,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:07,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934404433] [2021-11-13 18:48:07,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:07,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:07,299 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 18:48:07,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:07,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934404433] [2021-11-13 18:48:07,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934404433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:07,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:07,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:48:07,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517843400] [2021-11-13 18:48:07,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:07,302 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-13 18:48:07,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:07,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1101404608, now seen corresponding path program 1 times [2021-11-13 18:48:07,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:07,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417231531] [2021-11-13 18:48:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:07,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:48:07,332 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:48:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:48:07,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:48:09,458 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:48:09,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:48:09,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:48:09,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:48:09,460 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:48:09,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:09,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:48:09,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:48:09,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-11-13 18:48:09,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:48:09,461 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:48:09,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,511 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 18:48:09,521 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 18:48:09,523 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 18:48:09,526 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 18:48:09,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:09,552 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 18:48:09,557 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 18:48:09,561 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 18:48:09,568 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 18:48:09,572 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 18:48:09,578 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 18:48:09,581 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 18:48:09,586 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 18:48:09,594 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 18:48:09,614 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 18:48:09,617 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 18:48:09,639 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 18:48:09,648 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 18:48:09,669 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 18:48:09,736 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 18:48:09,740 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 18:48:09,747 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 18:48:09,750 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 18:48:09,753 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 18:48:10,720 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:48:10,721 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:48:10,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:10,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:10,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:48:10,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:48:10,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 18:48:10,803 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:48:10,804 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node1_#t~ite7#1=0} Honda state: {ULTIMATE.start_node1_#t~ite7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:48:10,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:10,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:10,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:10,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:10,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:48:10,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:48:10,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 18:48:10,980 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:48:10,980 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node3_#t~ite14#1=0} Honda state: {ULTIMATE.start_node3_#t~ite14#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:48:11,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:11,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:11,027 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:11,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:48:11,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:48:11,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:48:11,067 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:48:11,067 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node1_#t~ite8#1=0} Honda state: {ULTIMATE.start_node1_#t~ite8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:48:11,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:11,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:11,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:11,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:11,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:48:11,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:48:11,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:48:11,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:11,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:11,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:11,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:11,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:48:11,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:48:11,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:48:11,458 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:48:11,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:11,469 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:48:11,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:48:11,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:48:11,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:48:11,469 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:48:11,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:11,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:48:11,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:48:11,470 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-11-13 18:48:11,470 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:48:11,470 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:48:11,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,492 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 18:48:11,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,515 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 18:48:11,520 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 18:48:11,523 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 18:48:11,526 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 18:48:11,613 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 18:48:11,615 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 18:48:11,619 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 18:48:11,626 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 18:48:11,629 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 18:48:11,632 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 18:48:11,635 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 18:48:11,642 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 18:48:11,646 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 18:48:11,677 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 18:48:11,696 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 18:48:11,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:48:11,706 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 18:48:11,709 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 18:48:11,712 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 18:48:11,716 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 18:48:11,723 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 18:48:11,725 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 18:48:11,732 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 18:48:12,728 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:48:12,741 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:48:12,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:12,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:12,749 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 18:48:12,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:48:12,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:12,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:12,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:12,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:12,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:12,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:12,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:12,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:12,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:12,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:12,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:12,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:12,844 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 18:48:12,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:12,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:12,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:12,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:12,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:12,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:12,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:12,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:48:12,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:12,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:12,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:12,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:12,937 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:12,944 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 18:48:12,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:12,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:12,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:12,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:12,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:12,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:12,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:12,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:48:12,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:48:13,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:48:13,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,122 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,129 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 18:48:13,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:48:13,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,217 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,228 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 18:48:13,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:48:13,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,316 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:48:13,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 18:48:13,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,400 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 18:48:13,407 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 18:48:13,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,484 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,492 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 18:48:13,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 18:48:13,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,567 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 18:48:13,575 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 18:48:13,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,656 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 18:48:13,658 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 18:48:13,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,755 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,762 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 18:48:13,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 18:48:13,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,855 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 18:48:13,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 18:48:13,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:13,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:13,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:13,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:13,935 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:13,952 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 18:48:13,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:13,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:13,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:13,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:13,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:13,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:13,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:13,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 18:48:13,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:14,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:14,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:14,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:14,038 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:14,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 18:48:14,044 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 18:48:14,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:14,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:14,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:14,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:14,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:14,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:14,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:14,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:14,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:14,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:14,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:14,123 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:14,127 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 18:48:14,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:14,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:14,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:14,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:14,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:14,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:14,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:14,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 18:48:14,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:14,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:14,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:14,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:14,214 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:14,219 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 18:48:14,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:14,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:14,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:14,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:14,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:14,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:14,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 18:48:14,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:48:14,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:14,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:14,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:14,288 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:14,291 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 18:48:14,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:48:14,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:48:14,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:48:14,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:48:14,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:48:14,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:48:14,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:48:14,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 18:48:14,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 18:48:14,342 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 18:48:14,342 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 18:48:14,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:48:14,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:48:14,347 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:48:14,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 18:48:14,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 18:48:14,362 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 18:48:14,362 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 18:48:14,363 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2021-11-13 18:48:14,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:14,419 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 18:48:14,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:14,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:48:14,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:48:14,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 18:48:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:14,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:48:14,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:48:15,183 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 18:48:15,189 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 18:48:15,190 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 383 states and 662 transitions. cyclomatic complexity: 280 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 18:48:15,285 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 383 states and 662 transitions. cyclomatic complexity: 280. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 573 states and 970 transitions. Complement of second has 4 states. [2021-11-13 18:48:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 18:48:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 18:48:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2021-11-13 18:48:15,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 35 letters. [2021-11-13 18:48:15,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:48:15,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 90 letters. Loop has 35 letters. [2021-11-13 18:48:15,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:48:15,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 70 letters. [2021-11-13 18:48:15,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 18:48:15,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 573 states and 970 transitions. [2021-11-13 18:48:15,306 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:48:15,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 573 states to 0 states and 0 transitions. [2021-11-13 18:48:15,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:48:15,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:48:15,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:48:15,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:48:15,307 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:48:15,307 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:48:15,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:15,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:48:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:48:15,309 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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 18:48:15,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:15,309 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-13 18:48:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:48:15,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-13 18:48:15,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:48:15,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:48:15,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 18:48:15,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 18:48:15,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 18:48:15,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:48:15,312 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:48:15,312 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:48:15,312 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:48:15,312 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 18:48:15,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:48:15,312 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 18:48:15,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 18:48:15,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:48:15 BoogieIcfgContainer [2021-11-13 18:48:15,323 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:48:15,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:48:15,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:48:15,324 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:48:15,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:05" (3/4) ... [2021-11-13 18:48:15,329 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:48:15,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:48:15,336 INFO L158 Benchmark]: Toolchain (without parser) took 13204.43ms. Allocated memory was 88.1MB in the beginning and 167.8MB in the end (delta: 79.7MB). Free memory was 50.6MB in the beginning and 91.0MB in the end (delta: -40.4MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-11-13 18:48:15,337 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:48:15,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.89ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.3MB in the beginning and 76.6MB in the end (delta: -26.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:48:15,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.40ms. Allocated memory is still 111.1MB. Free memory was 76.6MB in the beginning and 71.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:48:15,341 INFO L158 Benchmark]: Boogie Preprocessor took 90.20ms. Allocated memory is still 111.1MB. Free memory was 71.9MB in the beginning and 68.2MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:48:15,342 INFO L158 Benchmark]: RCFGBuilder took 1912.46ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 63.2MB in the end (delta: 4.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-11-13 18:48:15,343 INFO L158 Benchmark]: BuchiAutomizer took 10268.38ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 63.2MB in the beginning and 91.0MB in the end (delta: -27.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-13 18:48:15,343 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 167.8MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:48:15,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.89ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 50.3MB in the beginning and 76.6MB in the end (delta: -26.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.40ms. Allocated memory is still 111.1MB. Free memory was 76.6MB in the beginning and 71.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.20ms. Allocated memory is still 111.1MB. Free memory was 71.9MB in the beginning and 68.2MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1912.46ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 63.2MB in the end (delta: 4.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 10268.38ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 63.2MB in the beginning and 91.0MB in the end (delta: -27.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 167.8MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 8.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 383 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 821 SdHoareTripleChecker+Valid, 89.22ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 820 mSDsluCounter, 3877 SdHoareTripleChecker+Invalid, 73.16ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2285 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1592 mSDtfsCounter, 35 mSolverCounterSat, 31.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax100 hnf100 lsp34 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 18:48:15,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e908f81-c254-4945-9867-95dc85ffa6fc/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE