./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg --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 e9a06db73e82e132e013fcc47f3d25846deaa9fbcdfb8973f2a147d12a01c9e5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:07:31,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:31,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:31,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:31,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:31,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:31,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:31,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:31,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:31,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:31,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:31,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:31,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:31,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:31,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:31,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:31,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:31,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:31,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:31,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:31,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:31,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:31,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:31,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:31,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:31,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:31,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:31,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:31,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:31,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:31,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:31,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:31,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:31,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:31,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:31,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:31,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:31,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:31,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:31,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:31,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:31,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:07:31,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:31,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:31,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:31,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:31,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:31,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:31,461 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:31,462 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:07:31,462 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:07:31,462 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:07:31,463 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:07:31,463 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:07:31,464 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:07:31,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:31,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:31,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:07:31,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:31,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:31,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:31,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:07:31,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:07:31,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:07:31,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:31,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:31,467 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:07:31,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:31,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:07:31,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:31,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:31,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:31,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:31,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:31,472 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:07:31,472 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_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9a06db73e82e132e013fcc47f3d25846deaa9fbcdfb8973f2a147d12a01c9e5 [2021-10-28 09:07:31,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:31,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:31,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:31,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:31,757 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:31,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/systemc/toy1.cil.c [2021-10-28 09:07:31,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/data/5ad9293be/6ec546c1148d47ad80ce6362c83a0588/FLAG42796eae0 [2021-10-28 09:07:32,304 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:32,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/sv-benchmarks/c/systemc/toy1.cil.c [2021-10-28 09:07:32,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/data/5ad9293be/6ec546c1148d47ad80ce6362c83a0588/FLAG42796eae0 [2021-10-28 09:07:32,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/data/5ad9293be/6ec546c1148d47ad80ce6362c83a0588 [2021-10-28 09:07:32,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:32,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:32,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:32,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:32,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:32,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:32" (1/1) ... [2021-10-28 09:07:32,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2626da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:32, skipping insertion in model container [2021-10-28 09:07:32,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:32" (1/1) ... [2021-10-28 09:07:32,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:32,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:32,925 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_a653d1e3-d3b9-4101-9287-a35b198d62ad/sv-benchmarks/c/systemc/toy1.cil.c[393,406] [2021-10-28 09:07:32,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:33,006 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:33,016 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_a653d1e3-d3b9-4101-9287-a35b198d62ad/sv-benchmarks/c/systemc/toy1.cil.c[393,406] [2021-10-28 09:07:33,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:33,086 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:33,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33 WrapperNode [2021-10-28 09:07:33,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:33,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:33,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:33,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:33,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:33,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:33,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:33,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:33,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:33,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:33,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:33,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:33,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (1/1) ... [2021-10-28 09:07:33,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:33,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:33,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:33,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:33,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:33,965 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-10-28 09:07:33,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:33 BoogieIcfgContainer [2021-10-28 09:07:33,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:33,969 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:07:33,969 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:07:33,972 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:07:33,973 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:33,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:07:32" (1/3) ... [2021-10-28 09:07:33,975 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b08876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:33, skipping insertion in model container [2021-10-28 09:07:33,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:33,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:33" (2/3) ... [2021-10-28 09:07:33,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b08876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:33, skipping insertion in model container [2021-10-28 09:07:33,976 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:33,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:33" (3/3) ... [2021-10-28 09:07:33,977 INFO L389 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2021-10-28 09:07:34,021 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:07:34,021 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:07:34,021 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:07:34,021 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:07:34,022 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:07:34,022 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:07:34,022 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:07:34,022 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:07:34,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.8650793650793651) internal successors, (235), 126 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-28 09:07:34,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:34,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:34,095 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] [2021-10-28 09:07:34,095 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] [2021-10-28 09:07:34,095 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:07:34,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.8650793650793651) internal successors, (235), 126 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-28 09:07:34,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:34,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:34,108 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] [2021-10-28 09:07:34,108 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] [2021-10-28 09:07:34,115 INFO L791 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRYtrue #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 40#L-1true havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 103#L408true assume !(1 == ~c_req_up~0); 89#L408-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 122#L419-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 120#L424-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 63#L429-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 115#L434-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 45#L439-1true assume !(0 == ~e_f~0); 8#L444-1true assume !(0 == ~e_g~0); 98#L449-1true assume !(0 == ~e_e~0); 54#L454-1true assume !(0 == ~e_c~0); 107#L459-1true assume !(0 == ~e_wl~0); 27#L464-1true assume !(1 == ~wl_pc~0); 44#L476true assume !(2 == ~wl_pc~0); 26#L477true assume !(1 == ~c1_pc~0); 19#L487true assume !(1 == ~c2_pc~0); 92#L496true assume !(1 == ~wb_pc~0); 31#L505true assume !(1 == ~e_c~0); 36#L514-1true assume !(1 == ~e_e~0); 129#L519-1true assume !(1 == ~e_f~0); 41#L524-1true assume !(1 == ~e_g~0); 127#L529-1true assume !(1 == ~e_c~0); 3#L534-1true assume !(1 == ~e_wl~0); 7#L676-1true [2021-10-28 09:07:34,116 INFO L793 eck$LassoCheckResult]: Loop: 7#L676-1true assume !false; 34#L546true start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 72#L381true assume !true; 121#L397true start_simulation_~kernel_st~0 := 2; 43#L552true assume !(1 == ~c_req_up~0); 62#L552-2true start_simulation_~kernel_st~0 := 3; 16#L564true assume 0 == ~e_f~0;~e_f~0 := 1; 18#L564-2true assume 0 == ~e_g~0;~e_g~0 := 1; 9#L569-1true assume 0 == ~e_e~0;~e_e~0 := 1; 126#L574-1true assume !(0 == ~e_c~0); 14#L579-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 97#L584-1true assume 1 == ~wl_pc~0; 49#L590true assume 1 == ~e_wl~0;~wl_st~0 := 0; 109#L597true assume !(1 == ~c1_pc~0); 29#L607true assume !(1 == ~c2_pc~0); 101#L616true assume !(1 == ~wb_pc~0); 117#L625true assume 1 == ~e_c~0;~r_st~0 := 0; 61#L634-1true assume 1 == ~e_e~0;~e_e~0 := 2; 53#L639-1true assume 1 == ~e_f~0;~e_f~0 := 2; 112#L644-1true assume 1 == ~e_g~0;~e_g~0 := 2; 79#L649-1true assume !(1 == ~e_c~0); 42#L654-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 24#L659-1true assume 0 == ~wl_st~0; 7#L676-1true [2021-10-28 09:07:34,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2021-10-28 09:07:34,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319303225] [2021-10-28 09:07:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319303225] [2021-10-28 09:07:34,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319303225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644670952] [2021-10-28 09:07:34,330 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:34,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash 476885301, now seen corresponding path program 1 times [2021-10-28 09:07:34,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694539484] [2021-10-28 09:07:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694539484] [2021-10-28 09:07:34,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694539484] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:34,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727138798] [2021-10-28 09:07:34,351 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:34,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:34,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:07:34,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:07:34,368 INFO L87 Difference]: Start difference. First operand has 127 states, 126 states have (on average 1.8650793650793651) internal successors, (235), 126 states have internal predecessors, (235), 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 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:34,385 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2021-10-28 09:07:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:07:34,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 127 states and 221 transitions. [2021-10-28 09:07:34,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:34,399 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 127 states to 121 states and 215 transitions. [2021-10-28 09:07:34,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-28 09:07:34,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-28 09:07:34,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 215 transitions. [2021-10-28 09:07:34,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:34,403 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-28 09:07:34,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 215 transitions. [2021-10-28 09:07:34,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-28 09:07:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7768595041322315) internal successors, (215), 120 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 215 transitions. [2021-10-28 09:07:34,442 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-28 09:07:34,442 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 215 transitions. [2021-10-28 09:07:34,442 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:07:34,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 215 transitions. [2021-10-28 09:07:34,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:34,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:34,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:34,447 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] [2021-10-28 09:07:34,447 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] [2021-10-28 09:07:34,447 INFO L791 eck$LassoCheckResult]: Stem: 380#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 334#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 335#L408 assume !(1 == ~c_req_up~0); 297#L408-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 375#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 382#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 360#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 361#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 343#L439-1 assume !(0 == ~e_f~0); 270#L444-1 assume !(0 == ~e_g~0); 271#L449-1 assume !(0 == ~e_e~0); 354#L454-1 assume !(0 == ~e_c~0); 355#L459-1 assume !(0 == ~e_wl~0); 309#L464-1 assume !(1 == ~wl_pc~0); 310#L476 assume !(2 == ~wl_pc~0); 307#L477 assume !(1 == ~c1_pc~0); 293#L487 assume !(1 == ~c2_pc~0); 295#L496 assume !(1 == ~wb_pc~0); 321#L505 assume !(1 == ~e_c~0); 322#L514-1 assume !(1 == ~e_e~0); 328#L519-1 assume !(1 == ~e_f~0); 336#L524-1 assume !(1 == ~e_g~0); 337#L529-1 assume !(1 == ~e_c~0); 263#L534-1 assume !(1 == ~e_wl~0); 264#L676-1 [2021-10-28 09:07:34,448 INFO L793 eck$LassoCheckResult]: Loop: 264#L676-1 assume !false; 269#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 291#L381 assume !false; 329#L299 assume !(0 == ~wl_st~0); 330#L303 assume !(0 == ~c1_st~0); 381#L306 assume !(0 == ~c2_st~0); 377#L309 assume !(0 == ~wb_st~0); 378#L312 assume !(0 == ~r_st~0); 383#L397 start_simulation_~kernel_st~0 := 2; 339#L552 assume !(1 == ~c_req_up~0); 340#L552-2 start_simulation_~kernel_st~0 := 3; 288#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 289#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 272#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 273#L574-1 assume !(0 == ~e_c~0); 283#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 284#L584-1 assume !(1 == ~wl_pc~0); 345#L596 assume !(2 == ~wl_pc~0); 347#L597 assume !(1 == ~c1_pc~0); 315#L607 assume !(1 == ~c2_pc~0); 316#L616 assume !(1 == ~wb_pc~0); 367#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 359#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 352#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 353#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 369#L649-1 assume !(1 == ~e_c~0); 338#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 303#L659-1 assume 0 == ~wl_st~0; 264#L676-1 [2021-10-28 09:07:34,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2021-10-28 09:07:34,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221674937] [2021-10-28 09:07:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221674937] [2021-10-28 09:07:34,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221674937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670291318] [2021-10-28 09:07:34,501 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,501 INFO L85 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 1 times [2021-10-28 09:07:34,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80433459] [2021-10-28 09:07:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80433459] [2021-10-28 09:07:34,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80433459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717735612] [2021-10-28 09:07:34,550 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:34,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:34,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:34,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:34,555 INFO L87 Difference]: Start difference. First operand 121 states and 215 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:34,586 INFO L93 Difference]: Finished difference Result 121 states and 214 transitions. [2021-10-28 09:07:34,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:34,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 214 transitions. [2021-10-28 09:07:34,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:34,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 214 transitions. [2021-10-28 09:07:34,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-28 09:07:34,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-28 09:07:34,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 214 transitions. [2021-10-28 09:07:34,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:34,605 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-28 09:07:34,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 214 transitions. [2021-10-28 09:07:34,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-28 09:07:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7685950413223142) internal successors, (214), 120 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 214 transitions. [2021-10-28 09:07:34,625 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-28 09:07:34,625 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 214 transitions. [2021-10-28 09:07:34,626 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:07:34,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 214 transitions. [2021-10-28 09:07:34,628 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:34,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:34,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:34,632 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] [2021-10-28 09:07:34,633 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] [2021-10-28 09:07:34,633 INFO L791 eck$LassoCheckResult]: Stem: 629#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 583#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 584#L408 assume !(1 == ~c_req_up~0); 546#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 624#L419-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 631#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 609#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 610#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 592#L439-1 assume !(0 == ~e_f~0); 519#L444-1 assume !(0 == ~e_g~0); 520#L449-1 assume !(0 == ~e_e~0); 603#L454-1 assume !(0 == ~e_c~0); 604#L459-1 assume !(0 == ~e_wl~0); 558#L464-1 assume !(1 == ~wl_pc~0); 559#L476 assume !(2 == ~wl_pc~0); 556#L477 assume !(1 == ~c1_pc~0); 542#L487 assume !(1 == ~c2_pc~0); 544#L496 assume !(1 == ~wb_pc~0); 570#L505 assume !(1 == ~e_c~0); 571#L514-1 assume !(1 == ~e_e~0); 577#L519-1 assume !(1 == ~e_f~0); 585#L524-1 assume !(1 == ~e_g~0); 586#L529-1 assume !(1 == ~e_c~0); 512#L534-1 assume !(1 == ~e_wl~0); 513#L676-1 [2021-10-28 09:07:34,634 INFO L793 eck$LassoCheckResult]: Loop: 513#L676-1 assume !false; 518#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 540#L381 assume !false; 578#L299 assume !(0 == ~wl_st~0); 579#L303 assume !(0 == ~c1_st~0); 630#L306 assume !(0 == ~c2_st~0); 626#L309 assume !(0 == ~wb_st~0); 627#L312 assume !(0 == ~r_st~0); 632#L397 start_simulation_~kernel_st~0 := 2; 588#L552 assume !(1 == ~c_req_up~0); 589#L552-2 start_simulation_~kernel_st~0 := 3; 537#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 538#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 521#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 522#L574-1 assume !(0 == ~e_c~0); 532#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 533#L584-1 assume !(1 == ~wl_pc~0); 594#L596 assume !(2 == ~wl_pc~0); 596#L597 assume !(1 == ~c1_pc~0); 564#L607 assume !(1 == ~c2_pc~0); 565#L616 assume !(1 == ~wb_pc~0); 616#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 608#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 601#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 602#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 618#L649-1 assume !(1 == ~e_c~0); 587#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 552#L659-1 assume 0 == ~wl_st~0; 513#L676-1 [2021-10-28 09:07:34,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2021-10-28 09:07:34,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599392089] [2021-10-28 09:07:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599392089] [2021-10-28 09:07:34,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599392089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279088002] [2021-10-28 09:07:34,728 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:34,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,731 INFO L85 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 2 times [2021-10-28 09:07:34,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682705995] [2021-10-28 09:07:34,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682705995] [2021-10-28 09:07:34,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682705995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734923335] [2021-10-28 09:07:34,803 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:34,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:34,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:34,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:34,805 INFO L87 Difference]: Start difference. First operand 121 states and 214 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:34,828 INFO L93 Difference]: Finished difference Result 121 states and 213 transitions. [2021-10-28 09:07:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:34,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 213 transitions. [2021-10-28 09:07:34,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:34,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 213 transitions. [2021-10-28 09:07:34,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-28 09:07:34,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-28 09:07:34,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 213 transitions. [2021-10-28 09:07:34,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:34,841 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-28 09:07:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 213 transitions. [2021-10-28 09:07:34,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-28 09:07:34,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7603305785123966) internal successors, (213), 120 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 213 transitions. [2021-10-28 09:07:34,854 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-28 09:07:34,854 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 213 transitions. [2021-10-28 09:07:34,855 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:07:34,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 213 transitions. [2021-10-28 09:07:34,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:34,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:34,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:34,857 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] [2021-10-28 09:07:34,858 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] [2021-10-28 09:07:34,858 INFO L791 eck$LassoCheckResult]: Stem: 878#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 832#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 833#L408 assume !(1 == ~c_req_up~0); 795#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 873#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 880#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 858#L429-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 859#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 841#L439-1 assume !(0 == ~e_f~0); 768#L444-1 assume !(0 == ~e_g~0); 769#L449-1 assume !(0 == ~e_e~0); 852#L454-1 assume !(0 == ~e_c~0); 853#L459-1 assume !(0 == ~e_wl~0); 807#L464-1 assume !(1 == ~wl_pc~0); 808#L476 assume !(2 == ~wl_pc~0); 805#L477 assume !(1 == ~c1_pc~0); 791#L487 assume !(1 == ~c2_pc~0); 793#L496 assume !(1 == ~wb_pc~0); 819#L505 assume !(1 == ~e_c~0); 820#L514-1 assume !(1 == ~e_e~0); 826#L519-1 assume !(1 == ~e_f~0); 834#L524-1 assume !(1 == ~e_g~0); 835#L529-1 assume !(1 == ~e_c~0); 761#L534-1 assume !(1 == ~e_wl~0); 762#L676-1 [2021-10-28 09:07:34,858 INFO L793 eck$LassoCheckResult]: Loop: 762#L676-1 assume !false; 767#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 789#L381 assume !false; 827#L299 assume !(0 == ~wl_st~0); 828#L303 assume !(0 == ~c1_st~0); 879#L306 assume !(0 == ~c2_st~0); 875#L309 assume !(0 == ~wb_st~0); 876#L312 assume !(0 == ~r_st~0); 881#L397 start_simulation_~kernel_st~0 := 2; 837#L552 assume !(1 == ~c_req_up~0); 838#L552-2 start_simulation_~kernel_st~0 := 3; 786#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 787#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 770#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 771#L574-1 assume !(0 == ~e_c~0); 781#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 782#L584-1 assume !(1 == ~wl_pc~0); 843#L596 assume !(2 == ~wl_pc~0); 845#L597 assume !(1 == ~c1_pc~0); 813#L607 assume !(1 == ~c2_pc~0); 814#L616 assume !(1 == ~wb_pc~0); 865#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 857#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 850#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 851#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 867#L649-1 assume !(1 == ~e_c~0); 836#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 801#L659-1 assume 0 == ~wl_st~0; 762#L676-1 [2021-10-28 09:07:34,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2021-10-28 09:07:34,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874502202] [2021-10-28 09:07:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874502202] [2021-10-28 09:07:34,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874502202] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67493773] [2021-10-28 09:07:34,898 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:34,899 INFO L85 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 3 times [2021-10-28 09:07:34,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:34,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193514160] [2021-10-28 09:07:34,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:34,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:34,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:34,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193514160] [2021-10-28 09:07:34,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193514160] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:34,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:34,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:34,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717564654] [2021-10-28 09:07:34,985 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:34,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:34,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:34,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:34,986 INFO L87 Difference]: Start difference. First operand 121 states and 213 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:34,998 INFO L93 Difference]: Finished difference Result 121 states and 212 transitions. [2021-10-28 09:07:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:35,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 212 transitions. [2021-10-28 09:07:35,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:35,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 121 states and 212 transitions. [2021-10-28 09:07:35,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 121 [2021-10-28 09:07:35,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 121 [2021-10-28 09:07:35,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 121 states and 212 transitions. [2021-10-28 09:07:35,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:35,013 INFO L681 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-28 09:07:35,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states and 212 transitions. [2021-10-28 09:07:35,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-28 09:07:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.7520661157024793) internal successors, (212), 120 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 212 transitions. [2021-10-28 09:07:35,018 INFO L704 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-28 09:07:35,019 INFO L587 BuchiCegarLoop]: Abstraction has 121 states and 212 transitions. [2021-10-28 09:07:35,019 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:07:35,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 212 transitions. [2021-10-28 09:07:35,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2021-10-28 09:07:35,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:35,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:35,024 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] [2021-10-28 09:07:35,024 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] [2021-10-28 09:07:35,024 INFO L791 eck$LassoCheckResult]: Stem: 1127#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1081#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1082#L408 assume !(1 == ~c_req_up~0); 1044#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1122#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1129#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1107#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1108#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1090#L439-1 assume !(0 == ~e_f~0); 1017#L444-1 assume !(0 == ~e_g~0); 1018#L449-1 assume !(0 == ~e_e~0); 1101#L454-1 assume !(0 == ~e_c~0); 1102#L459-1 assume !(0 == ~e_wl~0); 1056#L464-1 assume !(1 == ~wl_pc~0); 1057#L476 assume !(2 == ~wl_pc~0); 1054#L477 assume !(1 == ~c1_pc~0); 1040#L487 assume !(1 == ~c2_pc~0); 1042#L496 assume !(1 == ~wb_pc~0); 1068#L505 assume !(1 == ~e_c~0); 1069#L514-1 assume !(1 == ~e_e~0); 1075#L519-1 assume !(1 == ~e_f~0); 1083#L524-1 assume !(1 == ~e_g~0); 1084#L529-1 assume !(1 == ~e_c~0); 1010#L534-1 assume !(1 == ~e_wl~0); 1011#L676-1 [2021-10-28 09:07:35,025 INFO L793 eck$LassoCheckResult]: Loop: 1011#L676-1 assume !false; 1016#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1038#L381 assume !false; 1076#L299 assume !(0 == ~wl_st~0); 1077#L303 assume !(0 == ~c1_st~0); 1128#L306 assume !(0 == ~c2_st~0); 1124#L309 assume !(0 == ~wb_st~0); 1125#L312 assume !(0 == ~r_st~0); 1130#L397 start_simulation_~kernel_st~0 := 2; 1086#L552 assume !(1 == ~c_req_up~0); 1087#L552-2 start_simulation_~kernel_st~0 := 3; 1035#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1036#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1019#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1020#L574-1 assume !(0 == ~e_c~0); 1030#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1031#L584-1 assume !(1 == ~wl_pc~0); 1092#L596 assume !(2 == ~wl_pc~0); 1094#L597 assume !(1 == ~c1_pc~0); 1062#L607 assume !(1 == ~c2_pc~0); 1063#L616 assume !(1 == ~wb_pc~0); 1114#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1106#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1099#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1100#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1116#L649-1 assume !(1 == ~e_c~0); 1085#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1050#L659-1 assume 0 == ~wl_st~0; 1011#L676-1 [2021-10-28 09:07:35,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,025 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2021-10-28 09:07:35,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:35,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104151733] [2021-10-28 09:07:35,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:35,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:35,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:35,094 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:35,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,094 INFO L85 PathProgramCache]: Analyzing trace with hash 792967868, now seen corresponding path program 4 times [2021-10-28 09:07:35,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:35,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253790103] [2021-10-28 09:07:35,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:35,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:35,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:35,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253790103] [2021-10-28 09:07:35,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253790103] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:35,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:35,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:35,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129122084] [2021-10-28 09:07:35,126 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:35,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:35,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:35,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:35,128 INFO L87 Difference]: Start difference. First operand 121 states and 212 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:35,186 INFO L93 Difference]: Finished difference Result 153 states and 272 transitions. [2021-10-28 09:07:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:35,187 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 272 transitions. [2021-10-28 09:07:35,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-28 09:07:35,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 272 transitions. [2021-10-28 09:07:35,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2021-10-28 09:07:35,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2021-10-28 09:07:35,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 272 transitions. [2021-10-28 09:07:35,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:35,193 INFO L681 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-28 09:07:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 272 transitions. [2021-10-28 09:07:35,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-10-28 09:07:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 153 states have (on average 1.7777777777777777) internal successors, (272), 152 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 272 transitions. [2021-10-28 09:07:35,211 INFO L704 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-28 09:07:35,212 INFO L587 BuchiCegarLoop]: Abstraction has 153 states and 272 transitions. [2021-10-28 09:07:35,212 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:07:35,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 272 transitions. [2021-10-28 09:07:35,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2021-10-28 09:07:35,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:35,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:35,216 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] [2021-10-28 09:07:35,217 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] [2021-10-28 09:07:35,217 INFO L791 eck$LassoCheckResult]: Stem: 1409#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1361#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 1362#L408 assume !(1 == ~c_req_up~0); 1324#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1403#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1413#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1388#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1389#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1370#L439-1 assume !(0 == ~e_f~0); 1297#L444-1 assume !(0 == ~e_g~0); 1298#L449-1 assume !(0 == ~e_e~0); 1381#L454-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1382#L459-1 assume !(0 == ~e_wl~0); 1336#L464-1 assume !(1 == ~wl_pc~0); 1337#L476 assume !(2 == ~wl_pc~0); 1334#L477 assume !(1 == ~c1_pc~0); 1320#L487 assume !(1 == ~c2_pc~0); 1322#L496 assume !(1 == ~wb_pc~0); 1348#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 1349#L514-1 assume !(1 == ~e_e~0); 1355#L519-1 assume !(1 == ~e_f~0); 1364#L524-1 assume !(1 == ~e_g~0); 1365#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1290#L534-1 assume !(1 == ~e_wl~0); 1291#L676-1 [2021-10-28 09:07:35,219 INFO L793 eck$LassoCheckResult]: Loop: 1291#L676-1 assume !false; 1296#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 1318#L381 assume !false; 1356#L299 assume !(0 == ~wl_st~0); 1357#L303 assume !(0 == ~c1_st~0); 1412#L306 assume !(0 == ~c2_st~0); 1405#L309 assume !(0 == ~wb_st~0); 1406#L312 assume !(0 == ~r_st~0); 1414#L397 start_simulation_~kernel_st~0 := 2; 1366#L552 assume !(1 == ~c_req_up~0); 1367#L552-2 start_simulation_~kernel_st~0 := 3; 1315#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 1316#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1299#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 1300#L574-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1415#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1442#L584-1 assume 1 == ~wl_pc~0; 1440#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1438#L597 assume !(1 == ~c1_pc~0); 1436#L607 assume !(1 == ~c2_pc~0); 1433#L616 assume !(1 == ~wb_pc~0); 1410#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 1411#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1432#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1431#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1396#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1363#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1330#L659-1 assume 0 == ~wl_st~0; 1291#L676-1 [2021-10-28 09:07:35,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash 785152729, now seen corresponding path program 1 times [2021-10-28 09:07:35,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:35,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236946075] [2021-10-28 09:07:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:35,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:35,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:35,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236946075] [2021-10-28 09:07:35,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236946075] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:35,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:35,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:07:35,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558190541] [2021-10-28 09:07:35,285 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:35,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:35,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1254823475, now seen corresponding path program 1 times [2021-10-28 09:07:35,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:35,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575778299] [2021-10-28 09:07:35,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:35,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:35,297 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:35,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:35,627 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:35,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:35,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:35,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:35,628 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:07:35,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:35,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:35,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:35,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2021-10-28 09:07:35,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:35,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:35,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:35,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:36,061 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:07:36,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:07:36,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:36,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:36,099 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:36,099 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:36,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:36,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:36,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:07:36,197 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:36,197 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:36,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:07:36,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:36,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:36,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:07:36,298 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:07:36,298 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:36,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:07:36,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,415 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:36,416 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:36,416 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:36,416 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:36,416 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:36,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:36,416 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:36,416 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration6_Loop [2021-10-28 09:07:36,416 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:36,416 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:36,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:36,751 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:36,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:36,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:07:36,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:36,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:36,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:36,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:36,775 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:36,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:36,778 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:36,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:36,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:36,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:07:36,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:36,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:36,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:36,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:36,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:36,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:36,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:36,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:36,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:36,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:07:36,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:36,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:36,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:36,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:36,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:36,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:36,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:36,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:36,896 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:36,901 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:07:36,901 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:07:36,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:36,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:36,907 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:36,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:07:36,945 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:36,945 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:07:36,945 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:36,946 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2021-10-28 09:07:36,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:36,982 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:07:37,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:37,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:37,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:37,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:37,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:37,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:37,379 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:07:37,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 153 states and 272 transitions. cyclomatic complexity: 120 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:37,490 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 153 states and 272 transitions. cyclomatic complexity: 120. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 474 states and 835 transitions. Complement of second has 5 states. [2021-10-28 09:07:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2021-10-28 09:07:37,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-28 09:07:37,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:37,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-28 09:07:37,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:37,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 372 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-28 09:07:37,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:37,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 474 states and 835 transitions. [2021-10-28 09:07:37,509 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 302 [2021-10-28 09:07:37,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 474 states to 459 states and 805 transitions. [2021-10-28 09:07:37,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2021-10-28 09:07:37,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2021-10-28 09:07:37,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 459 states and 805 transitions. [2021-10-28 09:07:37,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:37,515 INFO L681 BuchiCegarLoop]: Abstraction has 459 states and 805 transitions. [2021-10-28 09:07:37,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states and 805 transitions. [2021-10-28 09:07:37,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 351. [2021-10-28 09:07:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 351 states have (on average 1.754985754985755) internal successors, (616), 350 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 616 transitions. [2021-10-28 09:07:37,527 INFO L704 BuchiCegarLoop]: Abstraction has 351 states and 616 transitions. [2021-10-28 09:07:37,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:37,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:37,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:37,528 INFO L87 Difference]: Start difference. First operand 351 states and 616 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:37,628 INFO L93 Difference]: Finished difference Result 640 states and 1104 transitions. [2021-10-28 09:07:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:07:37,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 640 states and 1104 transitions. [2021-10-28 09:07:37,636 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-28 09:07:37,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 640 states to 640 states and 1104 transitions. [2021-10-28 09:07:37,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2021-10-28 09:07:37,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2021-10-28 09:07:37,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 640 states and 1104 transitions. [2021-10-28 09:07:37,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:37,645 INFO L681 BuchiCegarLoop]: Abstraction has 640 states and 1104 transitions. [2021-10-28 09:07:37,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states and 1104 transitions. [2021-10-28 09:07:37,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 610. [2021-10-28 09:07:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 610 states have (on average 1.740983606557377) internal successors, (1062), 609 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 1062 transitions. [2021-10-28 09:07:37,665 INFO L704 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2021-10-28 09:07:37,665 INFO L587 BuchiCegarLoop]: Abstraction has 610 states and 1062 transitions. [2021-10-28 09:07:37,665 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:07:37,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 610 states and 1062 transitions. [2021-10-28 09:07:37,669 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 360 [2021-10-28 09:07:37,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:37,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:37,671 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] [2021-10-28 09:07:37,671 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] [2021-10-28 09:07:37,672 INFO L791 eck$LassoCheckResult]: Stem: 3326#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 3217#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 3218#L408 assume !(1 == ~c_req_up~0); 3320#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 3343#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 3342#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 3341#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 3340#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 3231#L439-1 assume !(0 == ~e_f~0); 3102#L444-1 assume !(0 == ~e_g~0); 3103#L449-1 assume !(0 == ~e_e~0); 3252#L454-1 assume !(0 == ~e_c~0); 3253#L459-1 assume !(0 == ~e_wl~0); 3172#L464-1 assume !(1 == ~wl_pc~0); 3173#L476 assume !(2 == ~wl_pc~0); 3421#L477 assume !(1 == ~c1_pc~0); 3431#L487 assume !(1 == ~c2_pc~0); 3389#L496 assume !(1 == ~wb_pc~0); 3350#L505 assume 1 == ~e_c~0;~r_st~0 := 0; 3194#L514-1 assume !(1 == ~e_e~0); 3205#L519-1 assume !(1 == ~e_f~0); 3219#L524-1 assume !(1 == ~e_g~0); 3220#L529-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3088#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3089#L676-1 [2021-10-28 09:07:37,672 INFO L793 eck$LassoCheckResult]: Loop: 3089#L676-1 assume !false; 3099#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 3141#L381 assume !false; 3206#L299 assume !(0 == ~wl_st~0); 3207#L303 assume !(0 == ~c1_st~0); 3331#L306 assume !(0 == ~c2_st~0); 3312#L309 assume !(0 == ~wb_st~0); 3313#L312 assume !(0 == ~r_st~0); 3335#L397 start_simulation_~kernel_st~0 := 2; 3223#L552 assume !(1 == ~c_req_up~0); 3224#L552-2 start_simulation_~kernel_st~0 := 3; 3264#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 3477#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 3475#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 3476#L574-1 assume !(0 == ~e_c~0); 3471#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 3472#L584-1 assume 1 == ~wl_pc~0; 3466#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 3465#L597 assume !(1 == ~c1_pc~0); 3460#L607 assume !(1 == ~c2_pc~0); 3459#L616 assume !(1 == ~wb_pc~0); 3453#L625 assume 1 == ~e_c~0;~r_st~0 := 0; 3328#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 3546#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 3543#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 3288#L649-1 assume 1 == ~e_c~0;~e_c~0 := 2; 3221#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 3162#L659-1 assume 0 == ~wl_st~0; 3089#L676-1 [2021-10-28 09:07:37,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:37,672 INFO L85 PathProgramCache]: Analyzing trace with hash 198346713, now seen corresponding path program 1 times [2021-10-28 09:07:37,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:37,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856549976] [2021-10-28 09:07:37,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:37,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:37,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:37,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856549976] [2021-10-28 09:07:37,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856549976] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:37,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:37,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:37,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495983345] [2021-10-28 09:07:37,730 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:37,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:37,730 INFO L85 PathProgramCache]: Analyzing trace with hash 243706225, now seen corresponding path program 1 times [2021-10-28 09:07:37,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:37,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531029855] [2021-10-28 09:07:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:37,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:37,741 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:37,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:38,045 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:38,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:38,045 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:38,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:38,045 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:07:38,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:38,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:38,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-10-28 09:07:38,046 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:38,046 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:38,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,334 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:38,334 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:07:38,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,337 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:07:38,343 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,365 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,365 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet10=0} Honda state: {ULTIMATE.start_eval_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,402 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:07:38,437 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,437 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:07:38,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,513 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,549 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:07:38,577 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,577 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,617 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:07:38,641 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,641 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet9=0} Honda state: {ULTIMATE.start_eval_#t~nondet9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,677 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:07:38,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet7=0} Honda state: {ULTIMATE.start_eval_#t~nondet7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,717 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:07:38,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,728 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-28 09:07:38,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,748 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:07:38,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:38,771 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:38,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,808 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:38,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:07:38,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:38,876 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:38,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:07:38,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:07:38,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:38,916 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:07:38,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:38,952 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:38,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:38,953 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:38,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:38,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:38,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:38,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:38,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:38,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2021-10-28 09:07:38,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:38,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:38,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:38,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:39,225 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:39,225 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:39,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,233 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:07:39,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,275 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:07:39,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,333 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,334 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:07:39,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,342 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:39,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,343 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:39,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,410 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:07:39,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,457 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:07:39,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 09:07:39,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,492 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:07:39,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,549 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,562 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:39,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,563 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:39,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:07:39,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:39,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,621 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:39,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:39,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:07:39,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:39,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:39,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:39,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:39,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:39,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:39,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:39,661 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:07:39,661 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:07:39,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:39,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:39,662 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:39,670 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:39,670 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:07:39,670 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:39,670 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -2*~e_c~0 + 3 Supporting invariants [] [2021-10-28 09:07:39,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:07:39,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 09:07:39,697 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:07:39,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:39,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:39,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:39,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:39,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:39,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:40,040 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:07:40,040 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 610 states and 1062 transitions. cyclomatic complexity: 458 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,088 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 610 states and 1062 transitions. cyclomatic complexity: 458. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 995 states and 1726 transitions. Complement of second has 7 states. [2021-10-28 09:07:40,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 376 transitions. [2021-10-28 09:07:40,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-28 09:07:40,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:40,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-28 09:07:40,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:40,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 376 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-28 09:07:40,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:40,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 995 states and 1726 transitions. [2021-10-28 09:07:40,101 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 562 [2021-10-28 09:07:40,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 995 states to 991 states and 1718 transitions. [2021-10-28 09:07:40,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 640 [2021-10-28 09:07:40,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 643 [2021-10-28 09:07:40,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 991 states and 1718 transitions. [2021-10-28 09:07:40,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:40,112 INFO L681 BuchiCegarLoop]: Abstraction has 991 states and 1718 transitions. [2021-10-28 09:07:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states and 1718 transitions. [2021-10-28 09:07:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 531. [2021-10-28 09:07:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 531 states have (on average 1.7401129943502824) internal successors, (924), 530 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 924 transitions. [2021-10-28 09:07:40,130 INFO L704 BuchiCegarLoop]: Abstraction has 531 states and 924 transitions. [2021-10-28 09:07:40,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:40,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:40,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:40,131 INFO L87 Difference]: Start difference. First operand 531 states and 924 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:40,166 INFO L93 Difference]: Finished difference Result 805 states and 1385 transitions. [2021-10-28 09:07:40,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:40,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 805 states and 1385 transitions. [2021-10-28 09:07:40,174 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 461 [2021-10-28 09:07:40,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 805 states to 636 states and 1094 transitions. [2021-10-28 09:07:40,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 541 [2021-10-28 09:07:40,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 546 [2021-10-28 09:07:40,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 636 states and 1094 transitions. [2021-10-28 09:07:40,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:40,181 INFO L681 BuchiCegarLoop]: Abstraction has 636 states and 1094 transitions. [2021-10-28 09:07:40,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states and 1094 transitions. [2021-10-28 09:07:40,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 449. [2021-10-28 09:07:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 449 states have (on average 1.730512249443207) internal successors, (777), 448 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 777 transitions. [2021-10-28 09:07:40,195 INFO L704 BuchiCegarLoop]: Abstraction has 449 states and 777 transitions. [2021-10-28 09:07:40,195 INFO L587 BuchiCegarLoop]: Abstraction has 449 states and 777 transitions. [2021-10-28 09:07:40,195 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:07:40,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states and 777 transitions. [2021-10-28 09:07:40,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 281 [2021-10-28 09:07:40,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:40,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:40,200 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] [2021-10-28 09:07:40,200 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] [2021-10-28 09:07:40,202 INFO L791 eck$LassoCheckResult]: Stem: 6430#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 6338#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 6339#L408 assume !(1 == ~c_req_up~0); 6425#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 6439#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 6440#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 6467#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 6466#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 6465#L439-1 assume !(0 == ~e_f~0); 6223#L444-1 assume !(0 == ~e_g~0); 6224#L449-1 assume !(0 == ~e_e~0); 6379#L454-1 assume !(0 == ~e_c~0); 6380#L459-1 assume !(0 == ~e_wl~0); 6293#L464-1 assume !(1 == ~wl_pc~0); 6294#L476 assume !(2 == ~wl_pc~0); 6291#L477 assume !(1 == ~c1_pc~0); 6268#L487 assume !(1 == ~c2_pc~0); 6270#L496 assume !(1 == ~wb_pc~0); 6314#L505 assume !(1 == ~e_c~0); 6315#L514-1 assume !(1 == ~e_e~0); 6443#L519-1 assume 1 == ~e_f~0;~e_f~0 := 2; 6340#L524-1 assume !(1 == ~e_g~0); 6341#L529-1 assume !(1 == ~e_c~0); 6210#L534-1 assume !(1 == ~e_wl~0); 6211#L676-1 [2021-10-28 09:07:40,202 INFO L793 eck$LassoCheckResult]: Loop: 6211#L676-1 assume !false; 6220#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 6262#L381 assume !false; 6328#L299 assume !(0 == ~wl_st~0); 6329#L303 assume !(0 == ~c1_st~0); 6432#L306 assume !(0 == ~c2_st~0); 6420#L309 assume !(0 == ~wb_st~0); 6421#L312 assume !(0 == ~r_st~0); 6436#L397 start_simulation_~kernel_st~0 := 2; 6437#L552 assume !(1 == ~c_req_up~0); 6476#L552-2 start_simulation_~kernel_st~0 := 3; 6475#L564 assume 0 == ~e_f~0;~e_f~0 := 1; 6267#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 6225#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 6226#L574-1 assume !(0 == ~e_c~0); 6247#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 6248#L584-1 assume !(1 == ~wl_pc~0); 6357#L596 assume !(2 == ~wl_pc~0); 6359#L597 assume !(1 == ~c1_pc~0); 6302#L607 assume !(1 == ~c2_pc~0); 6303#L616 assume !(1 == ~wb_pc~0); 6396#L625 assume !(1 == ~e_c~0); 6383#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 6371#L639-1 assume 1 == ~e_f~0;~e_f~0 := 2; 6372#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 6429#L649-1 assume !(1 == ~e_c~0); 6342#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 6283#L659-1 assume 0 == ~wl_st~0; 6211#L676-1 [2021-10-28 09:07:40,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,202 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2021-10-28 09:07:40,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737161352] [2021-10-28 09:07:40,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:40,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:40,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737161352] [2021-10-28 09:07:40,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737161352] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:40,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:40,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:07:40,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157366792] [2021-10-28 09:07:40,239 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1726992066, now seen corresponding path program 1 times [2021-10-28 09:07:40,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028006110] [2021-10-28 09:07:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:40,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:40,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028006110] [2021-10-28 09:07:40,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028006110] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:40,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:40,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:40,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677963378] [2021-10-28 09:07:40,263 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:40,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:40,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:40,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:40,264 INFO L87 Difference]: Start difference. First operand 449 states and 777 transitions. cyclomatic complexity: 331 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:40,363 INFO L93 Difference]: Finished difference Result 561 states and 961 transitions. [2021-10-28 09:07:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:40,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 561 states and 961 transitions. [2021-10-28 09:07:40,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 338 [2021-10-28 09:07:40,373 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 561 states to 561 states and 961 transitions. [2021-10-28 09:07:40,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 451 [2021-10-28 09:07:40,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 451 [2021-10-28 09:07:40,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 561 states and 961 transitions. [2021-10-28 09:07:40,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:40,375 INFO L681 BuchiCegarLoop]: Abstraction has 561 states and 961 transitions. [2021-10-28 09:07:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states and 961 transitions. [2021-10-28 09:07:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 552. [2021-10-28 09:07:40,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 552 states have (on average 1.7228260869565217) internal successors, (951), 551 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 951 transitions. [2021-10-28 09:07:40,408 INFO L704 BuchiCegarLoop]: Abstraction has 552 states and 951 transitions. [2021-10-28 09:07:40,408 INFO L587 BuchiCegarLoop]: Abstraction has 552 states and 951 transitions. [2021-10-28 09:07:40,409 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:07:40,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 552 states and 951 transitions. [2021-10-28 09:07:40,412 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 336 [2021-10-28 09:07:40,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:40,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:40,413 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] [2021-10-28 09:07:40,413 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] [2021-10-28 09:07:40,413 INFO L791 eck$LassoCheckResult]: Stem: 7460#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 7363#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 7364#L408 assume !(1 == ~c_req_up~0); 7453#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 7525#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 7524#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 7523#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 7522#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 7379#L439-1 assume !(0 == ~e_f~0); 7246#L444-1 assume !(0 == ~e_g~0); 7247#L449-1 assume !(0 == ~e_e~0); 7402#L454-1 assume !(0 == ~e_c~0); 7403#L459-1 assume !(0 == ~e_wl~0); 7319#L464-1 assume !(1 == ~wl_pc~0); 7320#L476 assume !(2 == ~wl_pc~0); 7317#L477 assume !(1 == ~c1_pc~0); 7294#L487 assume !(1 == ~c2_pc~0); 7296#L496 assume !(1 == ~wb_pc~0); 7549#L505 assume !(1 == ~e_c~0); 7548#L514-1 assume !(1 == ~e_e~0); 7547#L519-1 assume !(1 == ~e_f~0); 7365#L524-1 assume !(1 == ~e_g~0); 7366#L529-1 assume !(1 == ~e_c~0); 7231#L534-1 assume !(1 == ~e_wl~0); 7232#L676-1 [2021-10-28 09:07:40,413 INFO L793 eck$LassoCheckResult]: Loop: 7232#L676-1 assume !false; 7243#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 7287#L381 assume !false; 7353#L299 assume !(0 == ~wl_st~0); 7354#L303 assume !(0 == ~c1_st~0); 7465#L306 assume !(0 == ~c2_st~0); 7447#L309 assume !(0 == ~wb_st~0); 7448#L312 assume !(0 == ~r_st~0); 7469#L397 start_simulation_~kernel_st~0 := 2; 7370#L552 assume !(1 == ~c_req_up~0); 7371#L552-2 start_simulation_~kernel_st~0 := 3; 7281#L564 assume !(0 == ~e_f~0); 7282#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 7625#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 7624#L574-1 assume !(0 == ~e_c~0); 7604#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 7584#L584-1 assume !(1 == ~wl_pc~0); 7585#L596 assume !(2 == ~wl_pc~0); 7749#L597 assume !(1 == ~c1_pc~0); 7747#L607 assume !(1 == ~c2_pc~0); 7744#L616 assume !(1 == ~wb_pc~0); 7743#L625 assume !(1 == ~e_c~0); 7742#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 7741#L639-1 assume !(1 == ~e_f~0); 7740#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 7739#L649-1 assume !(1 == ~e_c~0); 7738#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 7309#L659-1 assume 0 == ~wl_st~0; 7232#L676-1 [2021-10-28 09:07:40,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,414 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 2 times [2021-10-28 09:07:40,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363683106] [2021-10-28 09:07:40,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:40,423 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:40,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:40,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash 981474370, now seen corresponding path program 1 times [2021-10-28 09:07:40,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099158663] [2021-10-28 09:07:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:40,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:40,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099158663] [2021-10-28 09:07:40,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099158663] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:40,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:40,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:07:40,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594519797] [2021-10-28 09:07:40,452 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:07:40,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:40,453 INFO L87 Difference]: Start difference. First operand 552 states and 951 transitions. cyclomatic complexity: 402 Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:40,479 INFO L93 Difference]: Finished difference Result 807 states and 1374 transitions. [2021-10-28 09:07:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:40,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 807 states and 1374 transitions. [2021-10-28 09:07:40,486 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 530 [2021-10-28 09:07:40,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 807 states to 807 states and 1374 transitions. [2021-10-28 09:07:40,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 637 [2021-10-28 09:07:40,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 637 [2021-10-28 09:07:40,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 807 states and 1374 transitions. [2021-10-28 09:07:40,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:40,495 INFO L681 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-28 09:07:40,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states and 1374 transitions. [2021-10-28 09:07:40,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 807. [2021-10-28 09:07:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.7026022304832713) internal successors, (1374), 806 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1374 transitions. [2021-10-28 09:07:40,513 INFO L704 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-28 09:07:40,513 INFO L587 BuchiCegarLoop]: Abstraction has 807 states and 1374 transitions. [2021-10-28 09:07:40,513 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:07:40,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1374 transitions. [2021-10-28 09:07:40,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 530 [2021-10-28 09:07:40,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:40,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:40,519 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] [2021-10-28 09:07:40,519 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] [2021-10-28 09:07:40,519 INFO L791 eck$LassoCheckResult]: Stem: 8839#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 8726#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 8727#L408 assume !(1 == ~c_req_up~0); 8662#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 8958#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 8957#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 8956#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 8955#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 8746#L439-1 assume !(0 == ~e_f~0); 8612#L444-1 assume !(0 == ~e_g~0); 8613#L449-1 assume !(0 == ~e_e~0); 8774#L454-1 assume !(0 == ~e_c~0); 8775#L459-1 assume !(0 == ~e_wl~0); 8982#L464-1 assume !(1 == ~wl_pc~0); 8979#L476 assume !(2 == ~wl_pc~0); 8974#L477 assume !(1 == ~c1_pc~0); 8970#L487 assume !(1 == ~c2_pc~0); 8966#L496 assume !(1 == ~wb_pc~0); 8962#L505 assume !(1 == ~e_c~0); 8961#L514-1 assume !(1 == ~e_e~0); 8960#L519-1 assume !(1 == ~e_f~0); 8732#L524-1 assume !(1 == ~e_g~0); 8733#L529-1 assume !(1 == ~e_c~0); 8596#L534-1 assume !(1 == ~e_wl~0); 8597#L676-1 [2021-10-28 09:07:40,519 INFO L793 eck$LassoCheckResult]: Loop: 8597#L676-1 assume !false; 9029#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 9315#L381 assume !false; 9313#L299 assume !(0 == ~wl_st~0); 8843#L303 assume !(0 == ~c1_st~0); 8844#L306 assume !(0 == ~c2_st~0); 8827#L309 assume !(0 == ~wb_st~0); 8829#L312 assume !(0 == ~r_st~0); 8848#L397 start_simulation_~kernel_st~0 := 2; 8734#L552 assume !(1 == ~c_req_up~0); 8735#L552-2 start_simulation_~kernel_st~0 := 3; 8646#L564 assume !(0 == ~e_f~0); 8647#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 9336#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 8850#L574-1 assume !(0 == ~e_c~0); 8851#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 8832#L584-1 assume 1 == ~wl_pc~0; 8755#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 8756#L597 assume !(1 == ~c1_pc~0); 9301#L607 assume !(1 == ~c2_pc~0); 9298#L616 assume !(1 == ~wb_pc~0); 8841#L625 assume !(1 == ~e_c~0); 8778#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 8779#L639-1 assume !(1 == ~e_f~0); 9242#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 9034#L649-1 assume !(1 == ~e_c~0); 9035#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 9030#L659-1 assume 0 == ~wl_st~0; 8597#L676-1 [2021-10-28 09:07:40,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,520 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 3 times [2021-10-28 09:07:40,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265056889] [2021-10-28 09:07:40,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:40,528 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:40,540 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:40,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,541 INFO L85 PathProgramCache]: Analyzing trace with hash 432214649, now seen corresponding path program 1 times [2021-10-28 09:07:40,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909524819] [2021-10-28 09:07:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:40,546 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:40,551 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:40,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:40,552 INFO L85 PathProgramCache]: Analyzing trace with hash -508129585, now seen corresponding path program 1 times [2021-10-28 09:07:40,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:40,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635424444] [2021-10-28 09:07:40,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:40,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:40,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:40,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635424444] [2021-10-28 09:07:40,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635424444] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:40,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:40,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:40,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002240537] [2021-10-28 09:07:40,738 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:40,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:40,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:40,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:40,739 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:07:40,739 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:40,739 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:40,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:40,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2021-10-28 09:07:40,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:40,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:40,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:40,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,015 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:41,016 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:07:41,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,021 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:41,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:07:41,057 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:41,057 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___3~0=0} Honda state: {ULTIMATE.start_eval_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:41,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,091 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:41,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:07:41,125 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:41,125 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~e_c~0=-7} Honda state: {~e_c~0=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:41,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 09:07:41,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,145 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:07:41,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:41,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,159 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:41,159 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:41,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,179 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:07:41,180 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:41,180 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,201 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:41,201 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet10=0} Honda state: {ULTIMATE.start_eval_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:41,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 09:07:41,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,235 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:07:41,240 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:41,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:41,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0=0} Honda state: {ULTIMATE.start_eval_~tmp~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:41,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,273 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:07:41,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:41,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-28 09:07:41,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,302 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:07:41,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:07:41,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:41,328 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:07:41,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:07:41,348 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:41,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:41,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:41,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:41,348 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:41,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:41,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:41,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration10_Loop [2021-10-28 09:07:41,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:41,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:41,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:41,633 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:41,633 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:41,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,637 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:41,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:41,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:41,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:41,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:41,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:41,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:41,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:41,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:07:41,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:41,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,705 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:41,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:41,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:41,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:41,718 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:41,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:41,719 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:41,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:41,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:07:41,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:41,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,771 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:07:41,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:41,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:41,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:41,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:41,781 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:41,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:41,781 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:41,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:41,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:41,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,831 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:07:41,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:41,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:41,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:41,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:41,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:41,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:41,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:41,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:41,849 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:41,852 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:07:41,852 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:07:41,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:41,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:41,856 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:41,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:07:41,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:41,861 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:07:41,861 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:41,861 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -1*~e_e~0 + 1 Supporting invariants [] [2021-10-28 09:07:41,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:41,880 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:07:41,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:41,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:41,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:42,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:42,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:42,178 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:07:42,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 807 states and 1374 transitions. cyclomatic complexity: 570 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:42,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 807 states and 1374 transitions. cyclomatic complexity: 570. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2879 states and 4876 transitions. Complement of second has 5 states. [2021-10-28 09:07:42,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:42,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2021-10-28 09:07:42,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 28 letters. [2021-10-28 09:07:42,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:42,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 52 letters. Loop has 28 letters. [2021-10-28 09:07:42,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:42,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 363 transitions. Stem has 24 letters. Loop has 56 letters. [2021-10-28 09:07:42,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:42,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2879 states and 4876 transitions. [2021-10-28 09:07:42,256 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1560 [2021-10-28 09:07:42,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2879 states to 2879 states and 4876 transitions. [2021-10-28 09:07:42,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1670 [2021-10-28 09:07:42,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1687 [2021-10-28 09:07:42,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2879 states and 4876 transitions. [2021-10-28 09:07:42,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:42,283 INFO L681 BuchiCegarLoop]: Abstraction has 2879 states and 4876 transitions. [2021-10-28 09:07:42,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states and 4876 transitions. [2021-10-28 09:07:42,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2157. [2021-10-28 09:07:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2157 states have (on average 1.6917014371812702) internal successors, (3649), 2156 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3649 transitions. [2021-10-28 09:07:42,401 INFO L704 BuchiCegarLoop]: Abstraction has 2157 states and 3649 transitions. [2021-10-28 09:07:42,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:42,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:42,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:42,402 INFO L87 Difference]: Start difference. First operand 2157 states and 3649 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:42,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:42,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:42,439 INFO L93 Difference]: Finished difference Result 2157 states and 3613 transitions. [2021-10-28 09:07:42,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:42,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2157 states and 3613 transitions. [2021-10-28 09:07:42,458 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1030 [2021-10-28 09:07:42,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2157 states to 2157 states and 3613 transitions. [2021-10-28 09:07:42,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1140 [2021-10-28 09:07:42,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1140 [2021-10-28 09:07:42,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2157 states and 3613 transitions. [2021-10-28 09:07:42,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:42,479 INFO L681 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-28 09:07:42,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states and 3613 transitions. [2021-10-28 09:07:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 2157. [2021-10-28 09:07:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2157 states have (on average 1.6750115901715346) internal successors, (3613), 2156 states have internal predecessors, (3613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3613 transitions. [2021-10-28 09:07:42,538 INFO L704 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-28 09:07:42,538 INFO L587 BuchiCegarLoop]: Abstraction has 2157 states and 3613 transitions. [2021-10-28 09:07:42,538 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:07:42,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2157 states and 3613 transitions. [2021-10-28 09:07:42,550 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1030 [2021-10-28 09:07:42,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:42,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:42,551 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] [2021-10-28 09:07:42,552 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 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] [2021-10-28 09:07:42,552 INFO L791 eck$LassoCheckResult]: Stem: 17051#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 16909#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 16910#L408 assume !(1 == ~c_req_up~0); 16843#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 17066#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 17067#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 16971#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 16972#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 16930#L439-1 assume !(0 == ~e_f~0); 16931#L444-1 assume !(0 == ~e_g~0); 17032#L449-1 assume !(0 == ~e_e~0); 17033#L454-1 assume !(0 == ~e_c~0); 17129#L459-1 assume !(0 == ~e_wl~0); 17128#L464-1 assume !(1 == ~wl_pc~0); 17126#L476 assume !(2 == ~wl_pc~0); 17124#L477 assume !(1 == ~c1_pc~0); 17122#L487 assume !(1 == ~c2_pc~0); 17120#L496 assume !(1 == ~wb_pc~0); 17117#L505 assume !(1 == ~e_c~0); 17115#L514-1 assume !(1 == ~e_e~0); 17113#L519-1 assume !(1 == ~e_f~0); 17112#L524-1 assume !(1 == ~e_g~0); 17072#L529-1 assume !(1 == ~e_c~0); 16775#L534-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 16776#L676-1 [2021-10-28 09:07:42,552 INFO L793 eck$LassoCheckResult]: Loop: 16776#L676-1 assume !false; 18689#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 18687#L381 assume !false; 18686#L299 assume 0 == ~wl_st~0; 18685#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 18683#L325 assume 0 != eval_~tmp~0;~wl_st~0 := 1;havoc write_loop_~t~0;havoc write_loop_~t~0; 18680#L58 assume 0 == ~wl_pc~0; 18607#L71 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 18602#L321 assume !(0 == ~c1_st~0); 18577#L336 assume !(0 == ~c2_st~0); 18574#L351 assume !(0 == ~wb_st~0); 18508#L366 assume !(0 == ~r_st~0); 18049#L381 assume !false; 18503#L299 assume !(0 == ~wl_st~0); 18504#L303 assume !(0 == ~c1_st~0); 18499#L306 assume !(0 == ~c2_st~0); 18500#L309 assume !(0 == ~wb_st~0); 18493#L312 assume !(0 == ~r_st~0); 18495#L397 start_simulation_~kernel_st~0 := 2; 16917#L552 assume !(1 == ~c_req_up~0); 16918#L552-2 start_simulation_~kernel_st~0 := 3; 18744#L564 assume !(0 == ~e_f~0); 18739#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 18737#L569-1 assume 0 == ~e_e~0;~e_e~0 := 1; 18736#L574-1 assume !(0 == ~e_c~0); 18735#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 18734#L584-1 assume 1 == ~wl_pc~0; 18732#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 18729#L597 assume !(1 == ~c1_pc~0); 18724#L607 assume !(1 == ~c2_pc~0); 18721#L616 assume !(1 == ~wb_pc~0); 18720#L625 assume !(1 == ~e_c~0); 18719#L634-1 assume 1 == ~e_e~0;~e_e~0 := 2; 18718#L639-1 assume !(1 == ~e_f~0); 18716#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 18715#L649-1 assume !(1 == ~e_c~0); 18710#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 18708#L659-1 assume 0 == ~wl_st~0; 16776#L676-1 [2021-10-28 09:07:42,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:42,553 INFO L85 PathProgramCache]: Analyzing trace with hash 255605077, now seen corresponding path program 1 times [2021-10-28 09:07:42,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:42,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543618801] [2021-10-28 09:07:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:42,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:42,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:42,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543618801] [2021-10-28 09:07:42,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543618801] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:42,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:42,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:42,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553599278] [2021-10-28 09:07:42,581 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:42,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:42,581 INFO L85 PathProgramCache]: Analyzing trace with hash 254830061, now seen corresponding path program 1 times [2021-10-28 09:07:42,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:42,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089808387] [2021-10-28 09:07:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:42,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:42,587 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:42,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:42,860 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:42,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:42,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:42,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:42,860 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:07:42,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:42,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:42,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:42,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration11_Loop [2021-10-28 09:07:42,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:42,861 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:42,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:42,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,136 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:43,137 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:07:43,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,140 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:07:43,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:43,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:43,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,185 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 09:07:43,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,195 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:43,195 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___2~0=0} Honda state: {ULTIMATE.start_eval_~tmp___2~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:43,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 09:07:43,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,217 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:07:43,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,254 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:43,254 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:43,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:07:43,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,285 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:07:43,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:43,295 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:43,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,317 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:07:43,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,336 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:43,336 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:43,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 09:07:43,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,359 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:07:43,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:07:43,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet11=0} Honda state: {ULTIMATE.start_eval_#t~nondet11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:07:43,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,389 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:43,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:07:43,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,420 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:07:43,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:07:43,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:43,431 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:07:43,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,451 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:43,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:43,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:43,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:43,451 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:43,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:43,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:43,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration11_Loop [2021-10-28 09:07:43,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:43,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:43,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:43,726 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:43,726 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:43,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,728 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:07:43,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:43,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:43,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:43,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:43,737 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:43,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:43,737 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:43,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:43,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:43,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,801 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:43,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:07:43,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:43,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:43,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:43,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:43,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:43,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:43,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:43,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:43,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 09:07:43,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,832 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:43,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:07:43,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:43,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:43,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:43,841 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:43,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:43,842 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:43,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:43,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:43,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:07:43,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,865 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:07:43,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:43,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:43,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:43,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:43,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:43,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:43,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:43,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:43,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:43,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 09:07:43,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,910 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:07:43,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:43,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:43,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:43,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:43,921 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:07:43,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:43,924 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:07:43,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:43,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:07:43,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,945 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:07:43,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:43,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:43,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:43,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:43,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:43,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:43,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:43,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:43,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:43,957 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:07:43,958 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:07:43,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:43,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:43,958 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:43,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:07:43,960 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:43,960 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:07:43,960 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:43,960 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2021-10-28 09:07:43,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:43,980 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:07:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:44,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:44,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:44,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:44,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:44,399 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:07:44,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2157 states and 3613 transitions. cyclomatic complexity: 1465 Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:44,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2157 states and 3613 transitions. cyclomatic complexity: 1465. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4282 states and 7173 transitions. Complement of second has 7 states. [2021-10-28 09:07:44,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:44,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 370 transitions. [2021-10-28 09:07:44,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 24 letters. Loop has 38 letters. [2021-10-28 09:07:44,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:44,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 62 letters. Loop has 38 letters. [2021-10-28 09:07:44,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:44,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 370 transitions. Stem has 24 letters. Loop has 76 letters. [2021-10-28 09:07:44,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:44,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4282 states and 7173 transitions. [2021-10-28 09:07:44,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:44,563 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1969 [2021-10-28 09:07:44,597 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4282 states to 4227 states and 7095 transitions. [2021-10-28 09:07:44,597 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2202 [2021-10-28 09:07:44,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2210 [2021-10-28 09:07:44,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4227 states and 7095 transitions. [2021-10-28 09:07:44,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:44,601 INFO L681 BuchiCegarLoop]: Abstraction has 4227 states and 7095 transitions. [2021-10-28 09:07:44,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states and 7095 transitions. [2021-10-28 09:07:44,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 3465. [2021-10-28 09:07:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3465 states, 3465 states have (on average 1.6810966810966812) internal successors, (5825), 3464 states have internal predecessors, (5825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 5825 transitions. [2021-10-28 09:07:44,689 INFO L704 BuchiCegarLoop]: Abstraction has 3465 states and 5825 transitions. [2021-10-28 09:07:44,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:44,690 INFO L87 Difference]: Start difference. First operand 3465 states and 5825 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:44,790 INFO L93 Difference]: Finished difference Result 5316 states and 8926 transitions. [2021-10-28 09:07:44,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:07:44,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5316 states and 8926 transitions. [2021-10-28 09:07:44,818 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 2292 [2021-10-28 09:07:44,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5316 states to 5316 states and 8926 transitions. [2021-10-28 09:07:44,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2664 [2021-10-28 09:07:44,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2664 [2021-10-28 09:07:44,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5316 states and 8926 transitions. [2021-10-28 09:07:44,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:44,861 INFO L681 BuchiCegarLoop]: Abstraction has 5316 states and 8926 transitions. [2021-10-28 09:07:44,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5316 states and 8926 transitions. [2021-10-28 09:07:44,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5316 to 4687. [2021-10-28 09:07:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4687 states, 4687 states have (on average 1.6867932579475144) internal successors, (7906), 4686 states have internal predecessors, (7906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 7906 transitions. [2021-10-28 09:07:45,029 INFO L704 BuchiCegarLoop]: Abstraction has 4687 states and 7906 transitions. [2021-10-28 09:07:45,029 INFO L587 BuchiCegarLoop]: Abstraction has 4687 states and 7906 transitions. [2021-10-28 09:07:45,029 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:07:45,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4687 states and 7906 transitions. [2021-10-28 09:07:45,046 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 1893 [2021-10-28 09:07:45,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:45,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:45,047 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] [2021-10-28 09:07:45,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 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] [2021-10-28 09:07:45,047 INFO L791 eck$LassoCheckResult]: Stem: 32478#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 32344#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 32345#L408 assume !(1 == ~c_req_up~0); 32276#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 32491#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 32492#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 32396#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 32397#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 32358#L439-1 assume !(0 == ~e_f~0); 32359#L444-1 assume !(0 == ~e_g~0); 32499#L449-1 assume !(0 == ~e_e~0); 32384#L454-1 assume !(0 == ~e_c~0); 32385#L459-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 32299#L464-1 assume !(1 == ~wl_pc~0); 32300#L476 assume !(2 == ~wl_pc~0); 33223#L477 assume !(1 == ~c1_pc~0); 33775#L487 assume !(1 == ~c2_pc~0); 33771#L496 assume !(1 == ~wb_pc~0); 33764#L505 assume !(1 == ~e_c~0); 33763#L514-1 assume !(1 == ~e_e~0); 33762#L519-1 assume !(1 == ~e_f~0); 33761#L524-1 assume !(1 == ~e_g~0); 33760#L529-1 assume !(1 == ~e_c~0); 33758#L534-1 assume !(1 == ~e_wl~0); 32211#L676-1 assume !false; 35444#L546 [2021-10-28 09:07:45,053 INFO L793 eck$LassoCheckResult]: Loop: 35444#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 36415#L381 assume !false; 36412#L299 assume 0 == ~wl_st~0; 36409#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 36405#L325 assume 0 != eval_~tmp~0;~wl_st~0 := 1;havoc write_loop_~t~0;havoc write_loop_~t~0; 36375#L58 assume 0 == ~wl_pc~0; 36361#L71 ~wl_st~0 := 2;~wl_pc~0 := 1;~e_wl~0 := 0; 36358#L321 assume !(0 == ~c1_st~0); 36320#L336 assume !(0 == ~c2_st~0); 36316#L351 assume !(0 == ~wb_st~0); 36311#L366 assume !(0 == ~r_st~0); 36308#L381 assume !false; 36307#L299 assume !(0 == ~wl_st~0); 36306#L303 assume !(0 == ~c1_st~0); 36305#L306 assume !(0 == ~c2_st~0); 36304#L309 assume !(0 == ~wb_st~0); 36302#L312 assume !(0 == ~r_st~0); 36301#L397 start_simulation_~kernel_st~0 := 2; 36147#L552 assume !(1 == ~c_req_up~0); 36148#L552-2 start_simulation_~kernel_st~0 := 3; 36367#L564 assume !(0 == ~e_f~0); 36362#L564-2 assume 0 == ~e_g~0;~e_g~0 := 1; 36359#L569-1 assume !(0 == ~e_e~0); 36354#L574-1 assume !(0 == ~e_c~0); 36353#L579-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 36349#L584-1 assume 1 == ~wl_pc~0; 36350#L590 assume 1 == ~e_wl~0;~wl_st~0 := 0; 36294#L597 assume !(1 == ~c1_pc~0); 36438#L607 assume !(1 == ~c2_pc~0); 36433#L616 assume !(1 == ~wb_pc~0); 36431#L625 assume !(1 == ~e_c~0); 36429#L634-1 assume !(1 == ~e_e~0); 36427#L639-1 assume !(1 == ~e_f~0); 36425#L644-1 assume 1 == ~e_g~0;~e_g~0 := 2; 36423#L649-1 assume !(1 == ~e_c~0); 36421#L654-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 36420#L659-1 assume 0 == ~wl_st~0; 36419#L676-1 assume !false; 35444#L546 [2021-10-28 09:07:45,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:45,053 INFO L85 PathProgramCache]: Analyzing trace with hash -79370950, now seen corresponding path program 1 times [2021-10-28 09:07:45,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:45,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855639875] [2021-10-28 09:07:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:45,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:45,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:45,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855639875] [2021-10-28 09:07:45,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855639875] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:45,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:45,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:07:45,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058301600] [2021-10-28 09:07:45,127 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:45,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:45,127 INFO L85 PathProgramCache]: Analyzing trace with hash -368922987, now seen corresponding path program 1 times [2021-10-28 09:07:45,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:45,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951049892] [2021-10-28 09:07:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:45,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:45,134 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:45,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:45,436 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:45,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:45,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:45,437 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:45,437 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:07:45,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:45,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:45,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:45,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration12_Loop [2021-10-28 09:07:45,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:45,437 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:45,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,713 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:45,713 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:07:45,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:45,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:45,720 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:45,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:07:45,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:07:45,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:45,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:45,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:45,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:45,749 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:45,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:07:45,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:07:45,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:07:45,760 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:07:45,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:07:45,780 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:07:45,780 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:07:45,780 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:07:45,780 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:07:45,781 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:07:45,781 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:45,781 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:07:45,781 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:07:45,781 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration12_Loop [2021-10-28 09:07:45,781 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:07:45,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:07:45,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:45,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:07:46,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:07:46,096 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:07:46,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,101 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:07:46,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:07:46,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:07:46,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:07:46,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:07:46,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:07:46,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:07:46,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:07:46,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:07:46,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:07:46,118 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:07:46,118 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:07:46,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:46,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:46,119 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:46,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:07:46,120 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:07:46,120 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:07:46,120 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:07:46,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~wl_pc~0) = -2*~wl_pc~0 + 1 Supporting invariants [] [2021-10-28 09:07:46,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:07:46,140 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:07:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:46,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:07:46,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:46,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:07:46,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:07:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:46,560 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:07:46,560 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4687 states and 7906 transitions. cyclomatic complexity: 3238 Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:07:46,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4687 states and 7906 transitions. cyclomatic complexity: 3238. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 12056 states and 20297 transitions. Complement of second has 7 states. [2021-10-28 09:07:46,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:07:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2021-10-28 09:07:46,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 25 letters. Loop has 38 letters. [2021-10-28 09:07:46,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:46,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 63 letters. Loop has 38 letters. [2021-10-28 09:07:46,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:46,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 214 transitions. Stem has 25 letters. Loop has 76 letters. [2021-10-28 09:07:46,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:07:46,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12056 states and 20297 transitions. [2021-10-28 09:07:46,795 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 2885 [2021-10-28 09:07:46,847 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12056 states to 10119 states and 17059 transitions. [2021-10-28 09:07:46,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3672 [2021-10-28 09:07:46,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3688 [2021-10-28 09:07:46,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10119 states and 17059 transitions. [2021-10-28 09:07:46,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:46,853 INFO L681 BuchiCegarLoop]: Abstraction has 10119 states and 17059 transitions. [2021-10-28 09:07:46,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10119 states and 17059 transitions. [2021-10-28 09:07:47,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10119 to 8392. [2021-10-28 09:07:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8392 states, 8392 states have (on average 1.6898236415633938) internal successors, (14181), 8391 states have internal predecessors, (14181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8392 states to 8392 states and 14181 transitions. [2021-10-28 09:07:47,056 INFO L704 BuchiCegarLoop]: Abstraction has 8392 states and 14181 transitions. [2021-10-28 09:07:47,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:07:47,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:07:47,057 INFO L87 Difference]: Start difference. First operand 8392 states and 14181 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,152 INFO L93 Difference]: Finished difference Result 11272 states and 18726 transitions. [2021-10-28 09:07:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:07:47,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11272 states and 18726 transitions. [2021-10-28 09:07:47,282 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 3138 [2021-10-28 09:07:47,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11272 states to 11272 states and 18726 transitions. [2021-10-28 09:07:47,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3925 [2021-10-28 09:07:47,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3925 [2021-10-28 09:07:47,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11272 states and 18726 transitions. [2021-10-28 09:07:47,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:47,331 INFO L681 BuchiCegarLoop]: Abstraction has 11272 states and 18726 transitions. [2021-10-28 09:07:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states and 18726 transitions. [2021-10-28 09:07:47,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 10394. [2021-10-28 09:07:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10394 states, 10394 states have (on average 1.6680777371560516) internal successors, (17338), 10393 states have internal predecessors, (17338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10394 states to 10394 states and 17338 transitions. [2021-10-28 09:07:47,584 INFO L704 BuchiCegarLoop]: Abstraction has 10394 states and 17338 transitions. [2021-10-28 09:07:47,584 INFO L587 BuchiCegarLoop]: Abstraction has 10394 states and 17338 transitions. [2021-10-28 09:07:47,584 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:07:47,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10394 states and 17338 transitions. [2021-10-28 09:07:47,615 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 2993 [2021-10-28 09:07:47,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:47,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:47,616 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] [2021-10-28 09:07:47,616 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:47,617 INFO L791 eck$LassoCheckResult]: Stem: 69094#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 68968#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 68969#L408 assume !(1 == ~c_req_up~0); 69067#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 69068#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 69105#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 69106#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 69095#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 69096#L439-1 assume !(0 == ~e_f~0); 68850#L444-1 assume !(0 == ~e_g~0); 68851#L449-1 assume !(0 == ~e_e~0); 69014#L454-1 assume !(0 == ~e_c~0); 69015#L459-1 assume !(0 == ~e_wl~0); 69139#L464-1 assume !(1 == ~wl_pc~0); 68981#L476 assume !(2 == ~wl_pc~0); 68982#L477 assume !(1 == ~c1_pc~0); 69129#L487 assume !(1 == ~c2_pc~0); 69124#L496 assume !(1 == ~wb_pc~0); 69121#L505 assume !(1 == ~e_c~0); 69120#L514-1 assume !(1 == ~e_e~0); 69119#L519-1 assume !(1 == ~e_f~0); 69118#L524-1 assume !(1 == ~e_g~0); 69112#L529-1 assume !(1 == ~e_c~0); 69113#L534-1 assume !(1 == ~e_wl~0); 73340#L676-1 assume !false; 73341#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 75656#L381 [2021-10-28 09:07:47,617 INFO L793 eck$LassoCheckResult]: Loop: 75656#L381 assume !false; 78367#L299 assume 0 == ~wl_st~0; 78366#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 78364#L325 assume !(0 != eval_~tmp~0); 78365#L321 assume !(0 == ~c1_st~0); 78404#L336 assume !(0 == ~c2_st~0); 78400#L351 assume !(0 == ~wb_st~0); 78372#L366 assume !(0 == ~r_st~0); 75656#L381 [2021-10-28 09:07:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,617 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2021-10-28 09:07:47,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013290258] [2021-10-28 09:07:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,627 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:47,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1289372155, now seen corresponding path program 1 times [2021-10-28 09:07:47,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628576535] [2021-10-28 09:07:47,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,643 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:47,646 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:47,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:47,647 INFO L85 PathProgramCache]: Analyzing trace with hash 370417651, now seen corresponding path program 1 times [2021-10-28 09:07:47,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:47,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451941734] [2021-10-28 09:07:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:47,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:47,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:47,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451941734] [2021-10-28 09:07:47,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451941734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:47,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:47,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:47,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019460665] [2021-10-28 09:07:47,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:47,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:47,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:47,712 INFO L87 Difference]: Start difference. First operand 10394 states and 17338 transitions. cyclomatic complexity: 6999 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:47,921 INFO L93 Difference]: Finished difference Result 16129 states and 26683 transitions. [2021-10-28 09:07:47,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:47,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16129 states and 26683 transitions. [2021-10-28 09:07:48,055 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4724 [2021-10-28 09:07:48,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16129 states to 16129 states and 26683 transitions. [2021-10-28 09:07:48,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5804 [2021-10-28 09:07:48,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5804 [2021-10-28 09:07:48,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16129 states and 26683 transitions. [2021-10-28 09:07:48,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:48,247 INFO L681 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-28 09:07:48,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16129 states and 26683 transitions. [2021-10-28 09:07:48,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16129 to 16129. [2021-10-28 09:07:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16129 states, 16129 states have (on average 1.6543493086986174) internal successors, (26683), 16128 states have internal predecessors, (26683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16129 states to 16129 states and 26683 transitions. [2021-10-28 09:07:48,580 INFO L704 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-28 09:07:48,580 INFO L587 BuchiCegarLoop]: Abstraction has 16129 states and 26683 transitions. [2021-10-28 09:07:48,580 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:07:48,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16129 states and 26683 transitions. [2021-10-28 09:07:48,635 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 4724 [2021-10-28 09:07:48,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:48,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:48,636 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] [2021-10-28 09:07:48,636 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:48,636 INFO L791 eck$LassoCheckResult]: Stem: 95636#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 95497#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 95498#L408 assume !(1 == ~c_req_up~0); 95429#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 95644#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 95645#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 95553#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 95554#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 95510#L439-1 assume !(0 == ~e_f~0); 95511#L444-1 assume !(0 == ~e_g~0); 95621#L449-1 assume !(0 == ~e_e~0); 95622#L454-1 assume !(0 == ~e_c~0); 95669#L459-1 assume !(0 == ~e_wl~0); 95668#L464-1 assume !(1 == ~wl_pc~0); 95665#L476 assume !(2 == ~wl_pc~0); 95664#L477 assume !(1 == ~c1_pc~0); 95662#L487 assume !(1 == ~c2_pc~0); 95660#L496 assume !(1 == ~wb_pc~0); 95658#L505 assume !(1 == ~e_c~0); 95657#L514-1 assume !(1 == ~e_e~0); 95656#L519-1 assume !(1 == ~e_f~0); 95655#L524-1 assume !(1 == ~e_g~0); 95649#L529-1 assume !(1 == ~e_c~0); 95650#L534-1 assume !(1 == ~e_wl~0); 102087#L676-1 assume !false; 102088#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 105724#L381 [2021-10-28 09:07:48,636 INFO L793 eck$LassoCheckResult]: Loop: 105724#L381 assume !false; 107171#L299 assume 0 == ~wl_st~0; 107168#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 107161#L325 assume !(0 != eval_~tmp~0); 107162#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 107194#L340 assume !(0 != eval_~tmp___0~0); 107192#L336 assume !(0 == ~c2_st~0); 107180#L351 assume !(0 == ~wb_st~0); 107174#L366 assume !(0 == ~r_st~0); 105724#L381 [2021-10-28 09:07:48,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,638 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2021-10-28 09:07:48,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577538106] [2021-10-28 09:07:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:48,651 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:48,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:48,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 1 times [2021-10-28 09:07:48,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800370546] [2021-10-28 09:07:48,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:48,679 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:48,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:48,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:48,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1452726936, now seen corresponding path program 1 times [2021-10-28 09:07:48,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:48,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196705470] [2021-10-28 09:07:48,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:48,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:48,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:48,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196705470] [2021-10-28 09:07:48,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196705470] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:48,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:48,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:48,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187843834] [2021-10-28 09:07:48,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:48,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:48,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:48,776 INFO L87 Difference]: Start difference. First operand 16129 states and 26683 transitions. cyclomatic complexity: 10609 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:48,910 INFO L93 Difference]: Finished difference Result 24580 states and 40120 transitions. [2021-10-28 09:07:48,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:48,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24580 states and 40120 transitions. [2021-10-28 09:07:49,122 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-28 09:07:49,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24580 states to 24580 states and 40120 transitions. [2021-10-28 09:07:49,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8934 [2021-10-28 09:07:49,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8934 [2021-10-28 09:07:49,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24580 states and 40120 transitions. [2021-10-28 09:07:49,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:49,240 INFO L681 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-28 09:07:49,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24580 states and 40120 transitions. [2021-10-28 09:07:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24580 to 24580. [2021-10-28 09:07:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24580 states, 24580 states have (on average 1.6322213181448333) internal successors, (40120), 24579 states have internal predecessors, (40120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24580 states to 24580 states and 40120 transitions. [2021-10-28 09:07:49,697 INFO L704 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-28 09:07:49,697 INFO L587 BuchiCegarLoop]: Abstraction has 24580 states and 40120 transitions. [2021-10-28 09:07:49,697 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:07:49,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24580 states and 40120 transitions. [2021-10-28 09:07:49,765 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-28 09:07:49,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:49,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:49,766 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] [2021-10-28 09:07:49,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:49,767 INFO L791 eck$LassoCheckResult]: Stem: 136378#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 136219#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 136220#L408 assume !(1 == ~c_req_up~0); 136344#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 136345#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 136388#L424-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 136389#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 136379#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 136380#L439-1 assume !(0 == ~e_f~0); 136098#L444-1 assume !(0 == ~e_g~0); 136099#L449-1 assume !(0 == ~e_e~0); 136272#L454-1 assume !(0 == ~e_c~0); 136273#L459-1 assume !(0 == ~e_wl~0); 136443#L464-1 assume !(1 == ~wl_pc~0); 136442#L476 assume !(2 == ~wl_pc~0); 136435#L477 assume !(1 == ~c1_pc~0); 136434#L487 assume !(1 == ~c2_pc~0); 136423#L496 assume !(1 == ~wb_pc~0); 136422#L505 assume !(1 == ~e_c~0); 136416#L514-1 assume !(1 == ~e_e~0); 136414#L519-1 assume !(1 == ~e_f~0); 136415#L524-1 assume !(1 == ~e_g~0); 139323#L529-1 assume !(1 == ~e_c~0); 139313#L534-1 assume !(1 == ~e_wl~0); 139304#L676-1 assume !false; 139305#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 148347#L381 [2021-10-28 09:07:49,767 INFO L793 eck$LassoCheckResult]: Loop: 148347#L381 assume !false; 148345#L299 assume 0 == ~wl_st~0; 148344#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 148343#L325 assume !(0 != eval_~tmp~0); 148342#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 148335#L340 assume !(0 != eval_~tmp___0~0); 148341#L336 assume !(0 == ~c2_st~0); 148413#L351 assume !(0 == ~wb_st~0); 148353#L366 assume !(0 == ~r_st~0); 148347#L381 [2021-10-28 09:07:49,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:49,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2021-10-28 09:07:49,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:49,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364612421] [2021-10-28 09:07:49,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:49,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:49,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:49,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364612421] [2021-10-28 09:07:49,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364612421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:49,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:49,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:49,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315138883] [2021-10-28 09:07:49,929 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:07:49,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1265058912, now seen corresponding path program 2 times [2021-10-28 09:07:49,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:49,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598814517] [2021-10-28 09:07:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:49,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:49,935 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:49,938 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:49,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:49,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:49,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:49,995 INFO L87 Difference]: Start difference. First operand 24580 states and 40120 transitions. cyclomatic complexity: 15595 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:50,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:50,085 INFO L93 Difference]: Finished difference Result 24508 states and 39999 transitions. [2021-10-28 09:07:50,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:50,085 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24508 states and 39999 transitions. [2021-10-28 09:07:50,196 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-28 09:07:50,445 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24508 states to 24508 states and 39999 transitions. [2021-10-28 09:07:50,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8866 [2021-10-28 09:07:50,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8866 [2021-10-28 09:07:50,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24508 states and 39999 transitions. [2021-10-28 09:07:50,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:50,462 INFO L681 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-28 09:07:50,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24508 states and 39999 transitions. [2021-10-28 09:07:50,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24508 to 24508. [2021-10-28 09:07:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24508 states, 24508 states have (on average 1.6320793210380284) internal successors, (39999), 24507 states have internal predecessors, (39999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24508 states to 24508 states and 39999 transitions. [2021-10-28 09:07:51,011 INFO L704 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-28 09:07:51,011 INFO L587 BuchiCegarLoop]: Abstraction has 24508 states and 39999 transitions. [2021-10-28 09:07:51,011 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 09:07:51,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24508 states and 39999 transitions. [2021-10-28 09:07:51,124 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 7412 [2021-10-28 09:07:51,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:51,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:51,125 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] [2021-10-28 09:07:51,125 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:51,125 INFO L791 eck$LassoCheckResult]: Stem: 185451#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 185309#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 185310#L408 assume !(1 == ~c_req_up~0); 185423#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 185424#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 185459#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 185460#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 185452#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 185453#L439-1 assume !(0 == ~e_f~0); 185192#L444-1 assume !(0 == ~e_g~0); 185193#L449-1 assume !(0 == ~e_e~0); 185358#L454-1 assume !(0 == ~e_c~0); 185359#L459-1 assume !(0 == ~e_wl~0); 185501#L464-1 assume !(1 == ~wl_pc~0); 185321#L476 assume !(2 == ~wl_pc~0); 185322#L477 assume !(1 == ~c1_pc~0); 185491#L487 assume !(1 == ~c2_pc~0); 185486#L496 assume !(1 == ~wb_pc~0); 185483#L505 assume !(1 == ~e_c~0); 185482#L514-1 assume !(1 == ~e_e~0); 185481#L519-1 assume !(1 == ~e_f~0); 185480#L524-1 assume !(1 == ~e_g~0); 185474#L529-1 assume !(1 == ~e_c~0); 185176#L534-1 assume !(1 == ~e_wl~0); 185177#L676-1 assume !false; 191342#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 191343#L381 [2021-10-28 09:07:51,125 INFO L793 eck$LassoCheckResult]: Loop: 191343#L381 assume !false; 207749#L299 assume 0 == ~wl_st~0; 207747#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 207745#L325 assume !(0 != eval_~tmp~0); 207640#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 207638#L340 assume !(0 != eval_~tmp___0~0); 207637#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet9;havoc eval_#t~nondet9; 207625#L355 assume !(0 != eval_~tmp___1~0); 207636#L351 assume !(0 == ~wb_st~0); 207754#L366 assume !(0 == ~r_st~0); 191343#L381 [2021-10-28 09:07:51,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:51,126 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2021-10-28 09:07:51,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:51,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80538552] [2021-10-28 09:07:51,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:51,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:51,134 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:51,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:51,145 INFO L85 PathProgramCache]: Analyzing trace with hash 560500646, now seen corresponding path program 1 times [2021-10-28 09:07:51,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:51,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347988741] [2021-10-28 09:07:51,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:51,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:51,150 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:51,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:51,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:51,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2086482018, now seen corresponding path program 1 times [2021-10-28 09:07:51,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:51,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443667240] [2021-10-28 09:07:51,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:51,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:51,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:51,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443667240] [2021-10-28 09:07:51,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443667240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:51,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:51,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:07:51,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009416581] [2021-10-28 09:07:51,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:51,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:07:51,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:07:51,236 INFO L87 Difference]: Start difference. First operand 24508 states and 39999 transitions. cyclomatic complexity: 15546 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:51,489 INFO L93 Difference]: Finished difference Result 40806 states and 65442 transitions. [2021-10-28 09:07:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:07:51,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40806 states and 65442 transitions. [2021-10-28 09:07:51,641 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 12598 [2021-10-28 09:07:51,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40806 states to 40806 states and 65442 transitions. [2021-10-28 09:07:51,929 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14826 [2021-10-28 09:07:51,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14826 [2021-10-28 09:07:51,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40806 states and 65442 transitions. [2021-10-28 09:07:51,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:07:51,949 INFO L681 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-28 09:07:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40806 states and 65442 transitions. [2021-10-28 09:07:52,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40806 to 40806. [2021-10-28 09:07:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40806 states, 40806 states have (on average 1.6037347448904573) internal successors, (65442), 40805 states have internal predecessors, (65442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:07:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40806 states to 40806 states and 65442 transitions. [2021-10-28 09:07:52,627 INFO L704 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-28 09:07:52,627 INFO L587 BuchiCegarLoop]: Abstraction has 40806 states and 65442 transitions. [2021-10-28 09:07:52,627 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 09:07:52,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40806 states and 65442 transitions. [2021-10-28 09:07:52,731 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 12598 [2021-10-28 09:07:52,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:52,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:52,732 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] [2021-10-28 09:07:52,732 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:52,733 INFO L791 eck$LassoCheckResult]: Stem: 250807#ULTIMATE.startENTRY #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(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 250632#L-1 havoc main_#res;havoc main_~__retres1~0;havoc main_~__retres1~0;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;havoc start_simulation_~kernel_st~0;havoc start_simulation_~kernel_st~0;start_simulation_~kernel_st~0 := 0; 250633#L408 assume !(1 == ~c_req_up~0); 250562#L408-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 250820#L419-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 250821#L424-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 250695#L429-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 250696#L434-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 250646#L439-1 assume !(0 == ~e_f~0); 250647#L444-1 assume !(0 == ~e_g~0); 250785#L449-1 assume !(0 == ~e_e~0); 250786#L454-1 assume !(0 == ~e_c~0); 250855#L459-1 assume !(0 == ~e_wl~0); 250854#L464-1 assume !(1 == ~wl_pc~0); 250851#L476 assume !(2 == ~wl_pc~0); 250850#L477 assume !(1 == ~c1_pc~0); 250848#L487 assume !(1 == ~c2_pc~0); 250846#L496 assume !(1 == ~wb_pc~0); 250844#L505 assume !(1 == ~e_c~0); 250843#L514-1 assume !(1 == ~e_e~0); 250842#L519-1 assume !(1 == ~e_f~0); 250841#L524-1 assume !(1 == ~e_g~0); 250835#L529-1 assume !(1 == ~e_c~0); 250836#L534-1 assume !(1 == ~e_wl~0); 264160#L676-1 assume !false; 264161#L546 start_simulation_~kernel_st~0 := 1;havoc eval_#t~nondet7, eval_#t~nondet8, eval_#t~nondet9, eval_#t~nondet10, eval_#t~nondet11, eval_~tmp~0, eval_~tmp___0~0, eval_~tmp___1~0, eval_~tmp___2~0, eval_~tmp___3~0;havoc eval_~tmp~0;havoc eval_~tmp___0~0;havoc eval_~tmp___1~0;havoc eval_~tmp___2~0;havoc eval_~tmp___3~0; 281256#L381 [2021-10-28 09:07:52,733 INFO L793 eck$LassoCheckResult]: Loop: 281256#L381 assume !false; 285885#L299 assume 0 == ~wl_st~0; 285884#L312-1 assume 0 == ~wl_st~0;eval_~tmp~0 := eval_#t~nondet7;havoc eval_#t~nondet7; 285883#L325 assume !(0 != eval_~tmp~0); 285574#L321 assume 0 == ~c1_st~0;eval_~tmp___0~0 := eval_#t~nondet8;havoc eval_#t~nondet8; 285572#L340 assume !(0 != eval_~tmp___0~0); 285571#L336 assume 0 == ~c2_st~0;eval_~tmp___1~0 := eval_#t~nondet9;havoc eval_#t~nondet9; 285567#L355 assume !(0 != eval_~tmp___1~0); 285565#L351 assume 0 == ~wb_st~0;eval_~tmp___2~0 := eval_#t~nondet10;havoc eval_#t~nondet10; 285543#L370 assume !(0 != eval_~tmp___2~0); 285564#L366 assume !(0 == ~r_st~0); 281256#L381 [2021-10-28 09:07:52,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:52,733 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2021-10-28 09:07:52,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:52,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902984770] [2021-10-28 09:07:52,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:52,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:52,743 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:52,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash 195616437, now seen corresponding path program 1 times [2021-10-28 09:07:52,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:52,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964280949] [2021-10-28 09:07:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:52,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:52,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:52,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:52,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:52,772 INFO L85 PathProgramCache]: Analyzing trace with hash -256467523, now seen corresponding path program 1 times [2021-10-28 09:07:52,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:52,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303646134] [2021-10-28 09:07:52,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:52,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:52,782 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:52,796 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:54,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:07:54 BoogieIcfgContainer [2021-10-28 09:07:54,081 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:07:54,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:07:54,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:07:54,082 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:07:54,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:33" (3/4) ... [2021-10-28 09:07:54,085 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:07:54,146 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:07:54,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:07:54,148 INFO L168 Benchmark]: Toolchain (without parser) took 21467.19 ms. Allocated memory was 102.8 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 73.9 MB in the beginning and 3.3 GB in the end (delta: -3.2 GB). Peak memory consumption was 559.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,149 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:07:54,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.60 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 75.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.20 ms. Allocated memory is still 102.8 MB. Free memory was 75.8 MB in the beginning and 73.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,150 INFO L168 Benchmark]: Boogie Preprocessor took 81.60 ms. Allocated memory is still 102.8 MB. Free memory was 73.4 MB in the beginning and 71.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,151 INFO L168 Benchmark]: RCFGBuilder took 706.56 ms. Allocated memory is still 102.8 MB. Free memory was 71.3 MB in the beginning and 51.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,151 INFO L168 Benchmark]: BuchiAutomizer took 20112.96 ms. Allocated memory was 102.8 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 51.7 MB in the beginning and 3.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 654.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,151 INFO L168 Benchmark]: Witness Printer took 64.52 ms. Allocated memory is still 3.9 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:07:54,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.60 ms. Allocated memory is still 102.8 MB. Free memory was 73.6 MB in the beginning and 75.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.20 ms. Allocated memory is still 102.8 MB. Free memory was 75.8 MB in the beginning and 73.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.60 ms. Allocated memory is still 102.8 MB. Free memory was 73.4 MB in the beginning and 71.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 706.56 ms. Allocated memory is still 102.8 MB. Free memory was 71.3 MB in the beginning and 51.7 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 20112.96 ms. Allocated memory was 102.8 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 51.7 MB in the beginning and 3.3 GB in the end (delta: -3.3 GB). Peak memory consumption was 654.8 MB. Max. memory is 16.1 GB. * Witness Printer took 64.52 ms. Allocated memory is still 3.9 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 21 terminating modules (16 trivial, 5 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -2 * e_c + 3 and consists of 4 locations. One deterministic module has affine ranking function -1 * e_e + 1 and consists of 3 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * wl_pc + 1 and consists of 4 locations. 16 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 40806 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 20.0s and 17 iterations. TraceHistogramMax:2. Analysis of lassos took 10.4s. Construction of modules took 0.4s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 16. Automata minimization 3.0s AutomataMinimizationTime, 21 MinimizatonAttempts, 5512 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 2.0s Buchi closure took 0.0s. Biggest automaton had 40806 states and ocurred in iteration 16. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 5511 SDtfs, 5051 SDslu, 3671 SDs, 0 SdLazy, 491 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT1 SILN1 SILU0 SILI5 SILT4 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp11 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf97 smp100 dnf186 smp67 tf110 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 21 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 298]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10950} State at position 1 is {wb_st=0, NULL=0, NULL=10950, c2_st=0, tmp=0, e_c=2, e_e=2, e_p_in=0, kernel_st=1, t_b=0, tmp___2=0, wb_pc=0, tmp___0=0, wb_i=1, c_t=0, NULL=0, NULL=0, c=0, wl_st=0, c2_pc=0, r_i=0, e_f=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@430a6b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77a61ad8=0, NULL=0, r_st=2, __retres1=0, p_out=0, NULL=10952, processed=0, \result=0, wl_pc=0, e_wl=2, tmp___1=0, data=0, p_in=0, tmp___3=0, c_req_up=0, NULL=10951, wl_i=1, NULL=0, c1_st=0, NULL=10953, c1_i=1, c2_i=1, d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13e1006d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@520de479=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10ec7135=0, e_g=2, c1_pc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 298]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L20] int c ; [L21] int c_t ; [L22] int c_req_up ; [L23] int p_in ; [L24] int p_out ; [L25] int wl_st ; [L26] int c1_st ; [L27] int c2_st ; [L28] int wb_st ; [L29] int r_st ; [L30] int wl_i ; [L31] int c1_i ; [L32] int c2_i ; [L33] int wb_i ; [L34] int r_i ; [L35] int wl_pc ; [L36] int c1_pc ; [L37] int c2_pc ; [L38] int wb_pc ; [L39] int e_e ; [L40] int e_f ; [L41] int e_g ; [L42] int e_c ; [L43] int e_p_in ; [L44] int e_wl ; [L50] int d ; [L51] int data ; [L52] int processed ; [L53] static int t_b ; [L693] int __retres1 ; [L697] e_wl = 2 [L698] e_c = e_wl [L699] e_g = e_c [L700] e_f = e_g [L701] e_e = e_f [L702] wl_pc = 0 [L703] c1_pc = 0 [L704] c2_pc = 0 [L705] wb_pc = 0 [L706] wb_i = 1 [L707] c2_i = wb_i [L708] c1_i = c2_i [L709] wl_i = c1_i [L710] r_i = 0 [L711] c_req_up = 0 [L712] d = 0 [L713] c = 0 [L404] int kernel_st ; [L407] kernel_st = 0 [L408] COND FALSE !((int )c_req_up == 1) [L419] COND TRUE (int )wl_i == 1 [L420] wl_st = 0 [L424] COND TRUE (int )c1_i == 1 [L425] c1_st = 0 [L429] COND TRUE (int )c2_i == 1 [L430] c2_st = 0 [L434] COND TRUE (int )wb_i == 1 [L435] wb_st = 0 [L439] COND FALSE !((int )r_i == 1) [L442] r_st = 2 [L444] COND FALSE !((int )e_f == 0) [L449] COND FALSE !((int )e_g == 0) [L454] COND FALSE !((int )e_e == 0) [L459] COND FALSE !((int )e_c == 0) [L464] COND FALSE !((int )e_wl == 0) [L469] COND FALSE !((int )wl_pc == 1) [L477] COND FALSE !((int )wl_pc == 2) [L487] COND FALSE !((int )c1_pc == 1) [L496] COND FALSE !((int )c2_pc == 1) [L505] COND FALSE !((int )wb_pc == 1) [L514] COND FALSE !((int )e_c == 1) [L519] COND FALSE !((int )e_e == 1) [L524] COND FALSE !((int )e_f == 1) [L529] COND FALSE !((int )e_g == 1) [L534] COND FALSE !((int )e_c == 1) [L539] COND FALSE !((int )e_wl == 1) [L545] COND TRUE 1 [L548] kernel_st = 1 [L290] int tmp ; [L291] int tmp___0 ; [L292] int tmp___1 ; [L293] int tmp___2 ; [L294] int tmp___3 ; Loop: [L298] COND TRUE 1 [L300] COND TRUE (int )wl_st == 0 [L321] COND TRUE (int )wl_st == 0 [L323] tmp = __VERIFIER_nondet_int() [L325] COND FALSE !(\read(tmp)) [L336] COND TRUE (int )c1_st == 0 [L338] tmp___0 = __VERIFIER_nondet_int() [L340] COND FALSE !(\read(tmp___0)) [L351] COND TRUE (int )c2_st == 0 [L353] tmp___1 = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp___1)) [L366] COND TRUE (int )wb_st == 0 [L368] tmp___2 = __VERIFIER_nondet_int() [L370] COND FALSE !(\read(tmp___2)) [L381] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:07:54,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a653d1e3-d3b9-4101-9287-a35b198d62ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...