./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 86aaf7922fe6f7f87277fe3baca1629811408ccdafec5bb956830ba2f5ff28a9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:11,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:11,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 08:03:11,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:11,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:11,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:11,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:11,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:11,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:11,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:11,390 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:11,390 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:03:11,391 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:03:11,393 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:03:11,394 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:03:11,394 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:03:11,395 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:03:11,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:11,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:03:11,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:11,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:11,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:11,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:11,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:03:11,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:03:11,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:03:11,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:03:11,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:11,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:11,402 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:03:11,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:11,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:11,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:11,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:11,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:11,406 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:03:11,406 INFO L153 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_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86aaf7922fe6f7f87277fe3baca1629811408ccdafec5bb956830ba2f5ff28a9 [2023-11-19 08:03:11,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:11,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:11,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:11,819 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:11,820 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:11,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c [2023-11-19 08:03:15,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:15,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:15,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.BOUNDED-8.pals.c [2023-11-19 08:03:15,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/data/f9f3166ab/75a61f387f9148158e0395183834cb96/FLAGf08f5aba7 [2023-11-19 08:03:15,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/data/f9f3166ab/75a61f387f9148158e0395183834cb96 [2023-11-19 08:03:15,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:15,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:15,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:15,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:15,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:15,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:15" (1/1) ... [2023-11-19 08:03:15,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374cbd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:15, skipping insertion in model container [2023-11-19 08:03:15,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:15" (1/1) ... [2023-11-19 08:03:15,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:03:15,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:15,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:03:16,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:16,146 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:03:16,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16 WrapperNode [2023-11-19 08:03:16,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:16,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:16,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:03:16,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:03:16,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,241 INFO L138 Inliner]: procedures = 23, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 917 [2023-11-19 08:03:16,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:16,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:16,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:16,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:16,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:16,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:16,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:16,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:16,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (1/1) ... [2023-11-19 08:03:16,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:16,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:16,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:16,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63a4aab-d5b0-41b0-a214-b05548e3a265/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:16,687 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:16,690 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:17,996 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:18,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:18,011 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:03:18,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:18 BoogieIcfgContainer [2023-11-19 08:03:18,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:18,019 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:03:18,020 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:03:18,024 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:03:18,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:03:18,025 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:03:15" (1/3) ... [2023-11-19 08:03:18,026 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29c248a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:18, skipping insertion in model container [2023-11-19 08:03:18,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:03:18,027 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:16" (2/3) ... [2023-11-19 08:03:18,027 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29c248a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:18, skipping insertion in model container [2023-11-19 08:03:18,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:03:18,028 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:18" (3/3) ... [2023-11-19 08:03:18,029 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.BOUNDED-8.pals.c [2023-11-19 08:03:18,112 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:03:18,113 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:03:18,113 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:03:18,113 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:03:18,113 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:03:18,114 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:03:18,114 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:03:18,115 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:03:18,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 280 states, 279 states have (on average 1.8279569892473118) internal successors, (510), 279 states have internal predecessors, (510), 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) [2023-11-19 08:03:18,209 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 84 [2023-11-19 08:03:18,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:18,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:18,226 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:18,227 INFO L149 hiAutomatonCegarLoop]: 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] [2023-11-19 08:03:18,227 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:03:18,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 280 states, 279 states have (on average 1.8279569892473118) internal successors, (510), 279 states have internal predecessors, (510), 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) [2023-11-19 08:03:18,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 84 [2023-11-19 08:03:18,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:18,253 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:18,264 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:18,266 INFO L149 hiAutomatonCegarLoop]: 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] [2023-11-19 08:03:18,287 INFO L748 eck$LassoCheckResult]: Stem: 182#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 194#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 161#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 122#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 275#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 260#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 245#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 258#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 112#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 137#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 180#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 63#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 81#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 43#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 233#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 38#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 174#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 183#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 65#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 108#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 279#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 69#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 272#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 192#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 197#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 21#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 145#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 96#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 156#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 7#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 51#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 246#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 11#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 221#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 190#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 201#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 256#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 91#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 249#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 128#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 155#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 19#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 40#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 250#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 121#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 124#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 13#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 152#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 90#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 131#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 150#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 113#L897-1true init_#res#1 := init_~tmp___23~0#1; 87#init_returnLabel#1true main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 100#L21true assume !(0 == assume_abort_if_not_~cond#1); 158#L20true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 94#L1203-2true [2023-11-19 08:03:18,288 INFO L750 eck$LassoCheckResult]: Loop: 94#L1203-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 115#L109true assume !(0 != ~mode1~0 % 256); 42#L141true assume !(~r1~0 < 3); 265#L141-1true ~mode1~0 := 1; 134#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 186#L162true assume !(0 != ~mode2~0 % 256); 247#L194true assume !(~r2~0 < 3); 4#L194-1true ~mode2~0 := 1; 54#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 142#L215true assume !(0 != ~mode3~0 % 256); 110#L247true assume !(~r3~0 < 3); 266#L247-1true ~mode3~0 := 1; 273#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 169#L268true assume !(0 != ~mode4~0 % 256); 218#L300true assume !(~r4~0 < 3); 44#L300-1true ~mode4~0 := 1; 253#L268-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 189#L1074true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 185#L1074-1true check_#res#1 := check_~tmp~1#1; 162#check_returnLabel#1true main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 37#L1246true assume !(0 == assert_~arg#1 % 256); 32#L1241true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 94#L1203-2true [2023-11-19 08:03:18,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2023-11-19 08:03:18,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:18,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984943] [2023-11-19 08:03:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:18,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:19,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:19,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984943] [2023-11-19 08:03:19,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:19,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:19,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:03:19,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216200952] [2023-11-19 08:03:19,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:19,210 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:03:19,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:19,212 INFO L85 PathProgramCache]: Analyzing trace with hash -85183311, now seen corresponding path program 1 times [2023-11-19 08:03:19,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:19,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645762807] [2023-11-19 08:03:19,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:19,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:19,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:19,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645762807] [2023-11-19 08:03:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645762807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:19,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:19,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:03:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416364447] [2023-11-19 08:03:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:19,468 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:03:19,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:19,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:03:19,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:19,529 INFO L87 Difference]: Start difference. First operand has 280 states, 279 states have (on average 1.8279569892473118) internal successors, (510), 279 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:19,653 INFO L93 Difference]: Finished difference Result 283 states and 509 transitions. [2023-11-19 08:03:19,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 509 transitions. [2023-11-19 08:03:19,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82 [2023-11-19 08:03:19,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 274 states and 492 transitions. [2023-11-19 08:03:19,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 274 [2023-11-19 08:03:19,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 274 [2023-11-19 08:03:19,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 274 states and 492 transitions. [2023-11-19 08:03:19,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:19,673 INFO L218 hiAutomatonCegarLoop]: Abstraction has 274 states and 492 transitions. [2023-11-19 08:03:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states and 492 transitions. [2023-11-19 08:03:19,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2023-11-19 08:03:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.7956204379562044) internal successors, (492), 273 states have internal predecessors, (492), 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) [2023-11-19 08:03:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 492 transitions. [2023-11-19 08:03:19,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 492 transitions. [2023-11-19 08:03:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:03:19,736 INFO L428 stractBuchiCegarLoop]: Abstraction has 274 states and 492 transitions. [2023-11-19 08:03:19,736 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:03:19,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 492 transitions. [2023-11-19 08:03:19,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82 [2023-11-19 08:03:19,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:19,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:19,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:19,743 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:19,743 INFO L748 eck$LassoCheckResult]: Stem: 821#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 822#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 813#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 721#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 782#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 618#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 853#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 666#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 769#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 695#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 797#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 698#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 704#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 655#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 672#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 607#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 658#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 726#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 706#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 684#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 765#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 661#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 713#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 644#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 828#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 628#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 629#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 681#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 749#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 595#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 596#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 651#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 603#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 604#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 826#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 751#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 833#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 743#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 744#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 594#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 788#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 583#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 624#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 662#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 781#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 641#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 609#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 610#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 742#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 623#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 791#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 585#L897-1 init_#res#1 := init_~tmp___23~0#1; 739#init_returnLabel#1 main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 740#L21 assume !(0 == assume_abort_if_not_~cond#1); 757#L20 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 648#L1203-2 [2023-11-19 08:03:19,744 INFO L750 eck$LassoCheckResult]: Loop: 648#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 747#L109 assume !(0 != ~mode1~0 % 256); 667#L141 assume !(~r1~0 < 3); 669#L141-1 ~mode1~0 := 1; 793#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 794#L162 assume !(0 != ~mode2~0 % 256); 824#L194 assume !(~r2~0 < 3); 587#L194-1 ~mode2~0 := 1; 588#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 692#L215 assume !(0 != ~mode3~0 % 256); 767#L247 assume !(~r3~0 < 3); 635#L247-1 ~mode3~0 := 1; 819#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 815#L268 assume !(0 != ~mode4~0 % 256); 816#L300 assume !(~r4~0 < 3); 670#L300-1 ~mode4~0 := 1; 671#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 825#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 772#L1075 assume ~st1~0 + ~nl1~0 <= 1; 773#L1076 assume ~st2~0 + ~nl2~0 <= 1; 796#L1077 assume ~st3~0 + ~nl3~0 <= 1; 679#L1078 assume ~st4~0 + ~nl4~0 <= 1; 600#L1079 assume ~r1~0 >= 3; 601#$Ultimate##666 assume ~r1~0 < 3; 802#$Ultimate##670 assume ~r1~0 >= 3; 762#$Ultimate##674 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 763#L1074-1 check_#res#1 := check_~tmp~1#1; 812#check_returnLabel#1 main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 657#L1246 assume !(0 == assert_~arg#1 % 256); 647#L1241 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 648#L1203-2 [2023-11-19 08:03:19,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:19,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2023-11-19 08:03:19,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:19,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841956324] [2023-11-19 08:03:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:19,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:19,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841956324] [2023-11-19 08:03:19,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841956324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:19,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:19,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:03:19,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681264792] [2023-11-19 08:03:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:19,927 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:03:19,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:19,928 INFO L85 PathProgramCache]: Analyzing trace with hash -31942528, now seen corresponding path program 1 times [2023-11-19 08:03:19,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:19,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558158583] [2023-11-19 08:03:19,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:19,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:19,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:19,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558158583] [2023-11-19 08:03:19,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558158583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:19,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:19,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160407764] [2023-11-19 08:03:19,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:19,967 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:03:19,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:19,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:19,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:19,969 INFO L87 Difference]: Start difference. First operand 274 states and 492 transitions. cyclomatic complexity: 219 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:20,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:20,050 INFO L93 Difference]: Finished difference Result 340 states and 598 transitions. [2023-11-19 08:03:20,051 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 340 states and 598 transitions. [2023-11-19 08:03:20,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 148 [2023-11-19 08:03:20,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 340 states to 340 states and 598 transitions. [2023-11-19 08:03:20,061 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 340 [2023-11-19 08:03:20,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 340 [2023-11-19 08:03:20,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 340 states and 598 transitions. [2023-11-19 08:03:20,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:03:20,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 340 states and 598 transitions. [2023-11-19 08:03:20,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states and 598 transitions. [2023-11-19 08:03:20,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-11-19 08:03:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 340 states have (on average 1.7588235294117647) internal successors, (598), 339 states have internal predecessors, (598), 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) [2023-11-19 08:03:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 598 transitions. [2023-11-19 08:03:20,096 INFO L240 hiAutomatonCegarLoop]: Abstraction has 340 states and 598 transitions. [2023-11-19 08:03:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:20,099 INFO L428 stractBuchiCegarLoop]: Abstraction has 340 states and 598 transitions. [2023-11-19 08:03:20,099 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:03:20,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 340 states and 598 transitions. [2023-11-19 08:03:20,103 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 148 [2023-11-19 08:03:20,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:03:20,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:03:20,106 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:20,106 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:20,107 INFO L748 eck$LassoCheckResult]: Stem: 1449#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1450#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1439#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1346#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1407#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1242#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1481#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1288#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1394#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1317#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1422#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1320#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1328#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1277#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1293#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1229#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1280#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1351#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1329#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1306#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1390#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1283#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1336#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1266#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1456#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1250#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1251#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1303#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1376#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1218#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1219#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1273#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1225#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1226#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1454#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1378#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1461#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1368#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1369#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1217#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1413#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1206#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1249#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1284#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1406#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1263#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1231#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1232#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1367#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1245#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1416#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1208#L897-1 init_#res#1 := init_~tmp___23~0#1; 1364#init_returnLabel#1 main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1365#L21 assume !(0 == assume_abort_if_not_~cond#1); 1384#L20 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1436#L1203-2 [2023-11-19 08:03:20,108 INFO L750 eck$LassoCheckResult]: Loop: 1436#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 1539#L109 assume !(0 != ~mode1~0 % 256); 1538#L141 assume ~r1~0 < 3; 1385#L142 assume 0 != ~ep12~0 % 256;~p12_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 - 256); 1372#L142-2 assume 0 != ~ep13~0 % 256;~p13_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 - 256); 1326#L145-1 assume 0 != ~ep14~0 % 256;~p14_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 - 256); 1327#L141-1 ~mode1~0 := 1; 1418#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1419#L162 assume !(0 != ~mode2~0 % 256); 1452#L194 assume !(~r2~0 < 3); 1210#L194-1 ~mode2~0 := 1; 1211#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1314#L215 assume !(0 != ~mode3~0 % 256); 1392#L247 assume !(~r3~0 < 3); 1260#L247-1 ~mode3~0 := 1; 1447#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1441#L268 assume !(0 != ~mode4~0 % 256); 1442#L300 assume !(~r4~0 < 3); 1291#L300-1 ~mode4~0 := 1; 1292#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1453#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1397#L1075 assume ~st1~0 + ~nl1~0 <= 1; 1398#L1076 assume ~st2~0 + ~nl2~0 <= 1; 1421#L1077 assume ~st3~0 + ~nl3~0 <= 1; 1300#L1078 assume ~st4~0 + ~nl4~0 <= 1; 1301#L1079 assume !(~r1~0 >= 3); 1339#L1082 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1340#$Ultimate##666 assume ~r1~0 < 3; 1487#$Ultimate##670 assume !(~r1~0 >= 3); 1444#L1092 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1445#$Ultimate##674 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1543#L1074-1 check_#res#1 := check_~tmp~1#1; 1542#check_returnLabel#1 main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1541#L1246 assume !(0 == assert_~arg#1 % 256); 1540#L1241 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 1436#L1203-2 [2023-11-19 08:03:20,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:20,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2023-11-19 08:03:20,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:20,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505830973] [2023-11-19 08:03:20,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:20,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:20,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:20,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505830973] [2023-11-19 08:03:20,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505830973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:20,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:20,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:03:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148198511] [2023-11-19 08:03:20,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:20,404 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:03:20,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash 55504247, now seen corresponding path program 1 times [2023-11-19 08:03:20,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:20,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939840359] [2023-11-19 08:03:20,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:20,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:20,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:03:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:03:20,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:03:27,141 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:03:27,142 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:03:27,142 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:03:27,142 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:03:27,142 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 08:03:27,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:03:27,143 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:03:27,143 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:03:27,143 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.2.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2023-11-19 08:03:27,143 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:03:27,144 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:03:27,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:27,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:28,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:28,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:28,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:28,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:03:30,199 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2023-11-19 08:03:38,632 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 129752 conjunctions. This might take some time...