./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/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_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/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_9a08b2e5-e442-427d-880b-c11c6301092f/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 80f9a5324ebd6f7f9b0f4370bb23b9787fd1aa3c807ea310f755bbaf1b53f47a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:40,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:40,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:56:40,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:40,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:41,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:41,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:41,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:41,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:41,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:41,006 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:41,007 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:56:41,008 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:56:41,008 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:56:41,009 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:56:41,010 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:56:41,010 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:56:41,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:41,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:56:41,012 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:56:41,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:41,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:56:41,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:41,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:56:41,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:56:41,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:56:41,016 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:56:41,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:56:41,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:41,037 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:56:41,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:41,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:41,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:41,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:41,040 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:41,040 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:56:41,041 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_9a08b2e5-e442-427d-880b-c11c6301092f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f9a5324ebd6f7f9b0f4370bb23b9787fd1aa3c807ea310f755bbaf1b53f47a [2023-11-19 07:56:41,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:41,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:41,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:41,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:41,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:41,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2023-11-19 07:56:44,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:44,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:44,799 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2023-11-19 07:56:44,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/data/ec4134509/612460f8c29a46c099f704e61af13f32/FLAG6ec609d31 [2023-11-19 07:56:44,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/data/ec4134509/612460f8c29a46c099f704e61af13f32 [2023-11-19 07:56:44,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:44,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:44,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:44,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:44,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:44,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:44" (1/1) ... [2023-11-19 07:56:44,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d29b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:44, skipping insertion in model container [2023-11-19 07:56:44,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:44" (1/1) ... [2023-11-19 07:56:44,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:45,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:45,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:45,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:45,473 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:45,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45 WrapperNode [2023-11-19 07:56:45,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:45,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:45,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:45,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:45,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,568 INFO L138 Inliner]: procedures = 23, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 977 [2023-11-19 07:56:45,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:45,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:45,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:45,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:45,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,690 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:45,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:45,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:45,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:45,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (1/1) ... [2023-11-19 07:56:45,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:45,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:45,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:45,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:45,996 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:45,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:47,317 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:47,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:47,348 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:56:47,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:47 BoogieIcfgContainer [2023-11-19 07:56:47,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:47,363 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:56:47,363 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:56:47,367 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:56:47,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:56:47,368 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:44" (1/3) ... [2023-11-19 07:56:47,369 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@218e2f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:47, skipping insertion in model container [2023-11-19 07:56:47,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:56:47,370 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45" (2/3) ... [2023-11-19 07:56:47,370 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@218e2f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:47, skipping insertion in model container [2023-11-19 07:56:47,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:56:47,371 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:47" (3/3) ... [2023-11-19 07:56:47,376 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c [2023-11-19 07:56:47,443 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:56:47,443 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:56:47,443 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:56:47,444 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:56:47,444 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:56:47,444 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:56:47,444 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:56:47,444 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:56:47,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 300 states, 299 states have (on average 1.826086956521739) internal successors, (546), 299 states have internal predecessors, (546), 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 07:56:47,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2023-11-19 07:56:47,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:56:47,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:56:47,510 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 07:56:47,512 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 07:56:47,512 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:56:47,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 300 states, 299 states have (on average 1.826086956521739) internal successors, (546), 299 states have internal predecessors, (546), 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 07:56:47,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2023-11-19 07:56:47,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:56:47,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:56:47,539 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 07:56:47,539 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 07:56:47,550 INFO L748 eck$LassoCheckResult]: Stem: 186#$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(43, 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;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 199#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~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#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;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;havoc main_#t~nondet44#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;havoc main_#t~nondet45#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;havoc main_#t~nondet46#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;havoc main_#t~nondet47#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 28#L441true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 237#L452true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 97#L462true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 135#L473true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 265#L483true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 241#L494true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 242#L504true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 52#L515true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 2#L525true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 232#L536true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 46#L546true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 297#L557true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 63#L567true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 208#L578true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 107#L588true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 225#L599true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 94#L609true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 71#L620true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 100#L630true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 202#L641true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 281#L651true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 210#L662true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 129#L672true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 243#L683true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 284#L693true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 221#L704true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 162#L714true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 13#L725true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 290#L735true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 105#L746true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 92#L756true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 271#L767true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 29#L777true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 145#L788true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 207#L798true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 286#L809true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 211#L819true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 266#L830true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 125#L840true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 244#L851true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 189#L861true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 246#L872true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 198#L882true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 95#L893true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 262#L903true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 93#L914true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 250#L924true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 86#L935true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 121#L945true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 213#L945-1true init_#res#1 := init_~tmp___23~0#1; 111#init_returnLabel#1true main_#t~ret48#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~ret48#1;havoc main_#t~ret48#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; 116#L21true assume !(0 == assume_abort_if_not_~cond#1); 173#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; 143#L1271-2true [2023-11-19 07:56:47,551 INFO L750 eck$LassoCheckResult]: Loop: 143#L1271-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 68#L114true assume !(0 != ~mode1~0 % 256); 258#L150true assume !(~r1~0 < 2); 163#L150-1true ~mode1~0 := 1; 53#L114-2true havoc node1_~newmax~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 33#L178true assume !(0 != ~mode2~0 % 256); 289#L214true assume !(~r2~0 < 3); 98#L214-1true ~mode2~0 := 1; 165#L178-2true havoc node2_~newmax~1#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 298#L242true assume !(0 != ~mode3~0 % 256); 151#L278true assume !(~r3~0 < 3); 120#L278-1true ~mode3~0 := 1; 218#L242-2true havoc node3_~newmax~2#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 138#L306true assume !(0 != ~mode4~0 % 256); 45#L342true assume !(~r4~0 < 3); 16#L342-1true ~mode4~0 := 1; 57#L306-2true havoc node4_~newmax~3#1;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; 153#L1138true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 179#L1138-1true check_#res#1 := check_~tmp~1#1; 175#check_returnLabel#1true main_#t~ret49#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 181#L1314true assume !(0 == assert_~arg#1 % 256); 270#L1309true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 143#L1271-2true [2023-11-19 07:56:47,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:47,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 1 times [2023-11-19 07:56:47,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:47,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245139005] [2023-11-19 07:56:47,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:47,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:48,226 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 07:56:48,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:48,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245139005] [2023-11-19 07:56:48,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245139005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:48,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:48,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:48,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087477975] [2023-11-19 07:56:48,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:48,240 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:56:48,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash 893833525, now seen corresponding path program 1 times [2023-11-19 07:56:48,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:48,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566275000] [2023-11-19 07:56:48,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:48,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:48,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:48,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566275000] [2023-11-19 07:56:48,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566275000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:48,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:48,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:48,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395781511] [2023-11-19 07:56:48,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:48,587 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:56:48,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:48,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:48,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:48,639 INFO L87 Difference]: Start difference. First operand has 300 states, 299 states have (on average 1.826086956521739) internal successors, (546), 299 states have internal predecessors, (546), 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 07:56:48,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:48,803 INFO L93 Difference]: Finished difference Result 303 states and 545 transitions. [2023-11-19 07:56:48,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 545 transitions. [2023-11-19 07:56:48,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 98 [2023-11-19 07:56:48,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 294 states and 528 transitions. [2023-11-19 07:56:48,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2023-11-19 07:56:48,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2023-11-19 07:56:48,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 528 transitions. [2023-11-19 07:56:48,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:48,833 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 528 transitions. [2023-11-19 07:56:48,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 528 transitions. [2023-11-19 07:56:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2023-11-19 07:56:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 294 states have (on average 1.7959183673469388) internal successors, (528), 293 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 528 transitions. [2023-11-19 07:56:48,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 294 states and 528 transitions. [2023-11-19 07:56:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:48,912 INFO L428 stractBuchiCegarLoop]: Abstraction has 294 states and 528 transitions. [2023-11-19 07:56:48,912 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:56:48,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 528 transitions. [2023-11-19 07:56:48,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 98 [2023-11-19 07:56:48,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:56:48,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:56:48,926 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 07:56:48,926 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 07:56:48,927 INFO L748 eck$LassoCheckResult]: Stem: 886#$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(43, 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;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 887#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~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#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;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;havoc main_#t~nondet44#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;havoc main_#t~nondet45#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;havoc main_#t~nondet46#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;havoc main_#t~nondet47#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 685#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 686#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 804#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 770#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 841#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 744#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 907#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 703#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 621#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 622#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 720#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 721#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 750#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 664#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 816#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 672#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 801#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 728#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 768#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 738#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 894#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 674#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 836#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 837#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 908#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 757#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 868#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 653#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 654#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 625#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 798#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 646#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 688#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 689#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 851#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 864#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 898#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 649#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 832#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 632#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 889#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 733#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 892#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 709#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 802#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 774#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 800#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 790#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 791#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 638#L945-1 init_#res#1 := init_~tmp___23~0#1; 819#init_returnLabel#1 main_#t~ret48#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~ret48#1;havoc main_#t~ret48#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; 820#L21 assume !(0 == assume_abort_if_not_~cond#1); 826#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; 850#L1271-2 [2023-11-19 07:56:48,934 INFO L750 eck$LassoCheckResult]: Loop: 850#L1271-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 759#L114 assume !(0 != ~mode1~0 % 256); 760#L150 assume !(~r1~0 < 2); 843#L150-1 ~mode1~0 := 1; 731#L114-2 havoc node1_~newmax~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 696#L178 assume !(0 != ~mode2~0 % 256); 697#L214 assume !(~r2~0 < 3); 662#L214-1 ~mode2~0 := 1; 806#L178-2 havoc node2_~newmax~1#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 870#L242 assume !(0 != ~mode3~0 % 256); 857#L278 assume !(~r3~0 < 3); 779#L278-1 ~mode3~0 := 1; 825#L242-2 havoc node3_~newmax~2#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 845#L306 assume !(0 != ~mode4~0 % 256); 717#L342 assume !(~r4~0 < 3); 657#L342-1 ~mode4~0 := 1; 658#L306-2 havoc node4_~newmax~3#1;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; 739#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 858#L1139 assume ~st1~0 + ~nl1~0 <= 1; 893#L1140 assume ~st2~0 + ~nl2~0 <= 1; 860#L1141 assume ~st3~0 + ~nl3~0 <= 1; 861#L1142 assume ~st4~0 + ~nl4~0 <= 1; 807#L1143 assume ~r1~0 >= 3; 809#$Ultimate##714 assume ~r1~0 < 3; 716#$Ultimate##718 assume ~r1~0 >= 3; 813#$Ultimate##722 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 814#L1138-1 check_#res#1 := check_~tmp~1#1; 875#check_returnLabel#1 main_#t~ret49#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 876#L1314 assume !(0 == assert_~arg#1 % 256); 880#L1309 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 850#L1271-2 [2023-11-19 07:56:48,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:48,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 2 times [2023-11-19 07:56:48,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:48,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141761993] [2023-11-19 07:56:48,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:48,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:49,145 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 07:56:49,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:49,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141761993] [2023-11-19 07:56:49,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141761993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:49,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:49,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:49,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421668360] [2023-11-19 07:56:49,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:49,148 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:56:49,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:49,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1402594052, now seen corresponding path program 1 times [2023-11-19 07:56:49,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:49,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143452583] [2023-11-19 07:56:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:49,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:49,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143452583] [2023-11-19 07:56:49,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143452583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:49,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:49,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:49,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248037103] [2023-11-19 07:56:49,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:49,217 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:56:49,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:49,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:49,218 INFO L87 Difference]: Start difference. First operand 294 states and 528 transitions. cyclomatic complexity: 235 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 07:56:49,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:49,283 INFO L93 Difference]: Finished difference Result 373 states and 656 transitions. [2023-11-19 07:56:49,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 373 states and 656 transitions. [2023-11-19 07:56:49,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 177 [2023-11-19 07:56:49,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 373 states to 373 states and 656 transitions. [2023-11-19 07:56:49,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 373 [2023-11-19 07:56:49,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 373 [2023-11-19 07:56:49,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 373 states and 656 transitions. [2023-11-19 07:56:49,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:49,303 INFO L218 hiAutomatonCegarLoop]: Abstraction has 373 states and 656 transitions. [2023-11-19 07:56:49,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states and 656 transitions. [2023-11-19 07:56:49,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-11-19 07:56:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 373 states have (on average 1.7587131367292226) internal successors, (656), 372 states have internal predecessors, (656), 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 07:56:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 656 transitions. [2023-11-19 07:56:49,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 373 states and 656 transitions. [2023-11-19 07:56:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:49,332 INFO L428 stractBuchiCegarLoop]: Abstraction has 373 states and 656 transitions. [2023-11-19 07:56:49,333 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:56:49,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 373 states and 656 transitions. [2023-11-19 07:56:49,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 177 [2023-11-19 07:56:49,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:56:49,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:56:49,338 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 07:56:49,340 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] [2023-11-19 07:56:49,340 INFO L748 eck$LassoCheckResult]: Stem: 1566#$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(43, 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;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0; 1567#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~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#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;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;havoc main_#t~nondet44#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;havoc main_#t~nondet45#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;havoc main_#t~nondet46#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;havoc main_#t~nondet47#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#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; 1361#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1362#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1480#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1446#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1516#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1420#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1587#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1381#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1300#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1301#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1396#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1397#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1426#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1340#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1490#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1348#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1479#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1404#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1444#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1414#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1574#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1350#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1511#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1512#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1588#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1433#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1546#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1329#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1330#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1304#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1474#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1322#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1364#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1365#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1528#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1541#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1578#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1325#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1507#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1308#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1569#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1409#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1572#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1385#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1477#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1449#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1476#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1466#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1467#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1313#L945-1 init_#res#1 := init_~tmp___23~0#1; 1493#init_returnLabel#1 main_#t~ret48#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~ret48#1;havoc main_#t~ret48#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; 1494#L21 assume !(0 == assume_abort_if_not_~cond#1); 1499#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; 1553#L1271-2 [2023-11-19 07:56:49,341 INFO L750 eck$LassoCheckResult]: Loop: 1553#L1271-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 1652#L114 assume !(0 != ~mode1~0 % 256); 1651#L150 assume !(~r1~0 < 2); 1518#L150-1 ~mode1~0 := 1; 1649#L114-2 havoc node1_~newmax~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 1645#L178 assume !(0 != ~mode2~0 % 256); 1643#L214 assume !(~r2~0 < 3); 1637#L214-1 ~mode2~0 := 1; 1635#L178-2 havoc node2_~newmax~1#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 1631#L242 assume !(0 != ~mode3~0 % 256); 1626#L278 assume !(~r3~0 < 3); 1620#L278-1 ~mode3~0 := 1; 1617#L242-2 havoc node3_~newmax~2#1;assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 1613#L306 assume !(0 != ~mode4~0 % 256); 1610#L342 assume !(~r4~0 < 3); 1604#L342-1 ~mode4~0 := 1; 1603#L306-2 havoc node4_~newmax~3#1;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; 1602#L1138 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1601#L1139 assume ~st1~0 + ~nl1~0 <= 1; 1600#L1140 assume ~st2~0 + ~nl2~0 <= 1; 1599#L1141 assume ~st3~0 + ~nl3~0 <= 1; 1598#L1142 assume ~st4~0 + ~nl4~0 <= 1; 1597#L1143 assume !(~r1~0 >= 3); 1525#L1146 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1526#$Ultimate##714 assume ~r1~0 < 3; 1596#$Ultimate##718 assume !(~r1~0 >= 3); 1592#L1156 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1593#$Ultimate##722 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1661#L1138-1 check_#res#1 := check_~tmp~1#1; 1658#check_returnLabel#1 main_#t~ret49#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 1655#L1314 assume !(0 == assert_~arg#1 % 256); 1653#L1309 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 1553#L1271-2 [2023-11-19 07:56:49,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:49,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2064134942, now seen corresponding path program 3 times [2023-11-19 07:56:49,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:49,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405068051] [2023-11-19 07:56:49,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:49,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:49,484 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 07:56:49,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:49,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405068051] [2023-11-19 07:56:49,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405068051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:49,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:49,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:49,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088176719] [2023-11-19 07:56:49,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:49,486 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:56:49,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:49,487 INFO L85 PathProgramCache]: Analyzing trace with hash 300102500, now seen corresponding path program 1 times [2023-11-19 07:56:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:49,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865956112] [2023-11-19 07:56:49,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:49,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:49,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:56:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:56:49,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:56:50,926 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:56:50,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:56:50,928 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:56:50,928 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:56:50,928 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:56:50,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:50,929 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:56:50,929 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:56:50,929 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2023-11-19 07:56:50,929 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:56:50,929 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:56:50,956 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 07:56:50,966 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 07:56:50,974 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 07:56:50,980 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 07:56:50,983 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 07:56:50,985 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 07:56:50,992 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 07:56:50,995 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 07:56:50,998 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 07:56:51,000 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 07:56:51,003 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 07:56:51,005 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 07:56:51,016 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 07:56:51,020 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 07:56:51,022 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 07:56:51,025 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 07:56:51,029 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 07:56:51,087 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 07:56:51,090 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 07:56:51,093 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 07:56:51,108 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 07:56:51,115 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 07:56:51,799 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:56:51,800 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:56:51,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:51,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:51,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:51,821 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:56:51,821 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:56:51,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:56:51,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:56:51,855 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node4_~newmax~3#1=0} Honda state: {ULTIMATE.start_node4_~newmax~3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:56:51,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:51,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:51,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:51,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:51,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:56:51,899 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:56:51,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:56:51,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:51,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:51,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:51,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:51,950 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:56:51,950 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:56:51,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:56:52,262 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:56:52,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:52,272 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:56:52,273 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:56:52,273 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:56:52,273 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:56:52,273 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:56:52,273 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:52,273 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:56:52,273 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:56:52,273 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2023-11-19 07:56:52,274 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:56:52,274 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:56:52,278 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 07:56:52,288 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 07:56:52,296 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 07:56:52,302 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 07:56:52,373 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 07:56:52,379 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 07:56:52,381 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 07:56:52,387 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 07:56:52,390 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 07:56:52,393 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 07:56:52,396 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 07:56:52,399 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 07:56:52,401 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 07:56:52,404 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 07:56:52,410 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 07:56:52,413 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 07:56:52,415 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 07:56:52,418 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 07:56:52,421 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 07:56:52,423 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 07:56:52,447 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 07:56:52,455 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 07:56:53,127 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:56:53,132 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:56:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:53,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:53,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:53,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:56:53,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:53,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:53,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:53,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:56:53,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:56:53,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:56:53,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:53,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:56:53,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:53,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:53,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:53,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:53,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:56:53,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:53,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:53,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:53,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:56:53,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:53,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:56:53,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:53,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:56:53,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:56:53,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:53,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:53,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:53,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:56:53,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:56:53,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:53,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:53,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:53,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:56:53,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:53,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:56:53,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:53,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:56:53,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:53,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:53,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:53,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:56:53,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:56:53,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:53,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:53,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:53,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:56:53,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:53,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:56:53,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:53,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:56:53,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:53,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:53,494 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:53,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:56:53,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:56:53,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:56:53,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:56:53,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:56:53,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:56:53,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:56:53,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:56:53,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:56:53,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:56:53,530 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:56:53,530 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:56:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:56:53,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:53,561 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:53,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:56:53,568 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:56:53,568 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:56:53,569 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2023-11-19 07:56:53,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:56:53,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:53,594 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:56:53,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:56:53,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:53,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:56:53,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:54,073 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 07:56:54,078 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:56:54,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 373 states and 656 transitions. cyclomatic complexity: 284 Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 07:56:54,210 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 373 states and 656 transitions. cyclomatic complexity: 284. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 549 states and 950 transitions. Complement of second has 4 states. [2023-11-19 07:56:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:56:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 07:56:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2023-11-19 07:56:54,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 32 letters. [2023-11-19 07:56:54,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:56:54,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 87 letters. Loop has 32 letters. [2023-11-19 07:56:54,223 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:56:54,223 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 64 letters. [2023-11-19 07:56:54,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:56:54,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 549 states and 950 transitions. [2023-11-19 07:56:54,230 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:56:54,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 549 states to 0 states and 0 transitions. [2023-11-19 07:56:54,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:56:54,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:56:54,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:56:54,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:54,231 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:54,231 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:54,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:54,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:54,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:54,232 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:56:54,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:54,232 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-19 07:56:54,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-19 07:56:54,232 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:56:54,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:56:54,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:56:54,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:56:54,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:56:54,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:56:54,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:54,233 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:56:54,234 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:54,234 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:56:54,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:56:54,234 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:56:54,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:56:54,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:56:54 BoogieIcfgContainer [2023-11-19 07:56:54,243 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:56:54,243 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:56:54,243 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:56:54,244 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:56:54,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:47" (3/4) ... [2023-11-19 07:56:54,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:56:54,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:56:54,248 INFO L158 Benchmark]: Toolchain (without parser) took 9363.26ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 152.0MB in the beginning and 124.6MB in the end (delta: 27.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:54,248 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:54,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.75ms. Allocated memory is still 182.5MB. Free memory was 151.8MB in the beginning and 128.7MB in the end (delta: 23.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-19 07:56:54,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.36ms. Allocated memory is still 182.5MB. Free memory was 128.7MB in the beginning and 123.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:54,250 INFO L158 Benchmark]: Boogie Preprocessor took 146.22ms. Allocated memory is still 182.5MB. Free memory was 123.9MB in the beginning and 118.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:54,250 INFO L158 Benchmark]: RCFGBuilder took 1646.05ms. Allocated memory is still 182.5MB. Free memory was 118.9MB in the beginning and 116.0MB in the end (delta: 2.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 07:56:54,251 INFO L158 Benchmark]: BuchiAutomizer took 6879.65ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 116.0MB in the beginning and 125.6MB in the end (delta: -9.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-11-19 07:56:54,252 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 226.5MB. Free memory was 125.6MB in the beginning and 124.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:54,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.75ms. Allocated memory is still 182.5MB. Free memory was 151.8MB in the beginning and 128.7MB in the end (delta: 23.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.36ms. Allocated memory is still 182.5MB. Free memory was 128.7MB in the beginning and 123.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.22ms. Allocated memory is still 182.5MB. Free memory was 123.9MB in the beginning and 118.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1646.05ms. Allocated memory is still 182.5MB. Free memory was 118.9MB in the beginning and 116.0MB in the end (delta: 2.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 6879.65ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 116.0MB in the beginning and 125.6MB in the end (delta: -9.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 226.5MB. Free memory was 125.6MB in the beginning and 124.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (15 + (-2 * i2)) and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 824 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 823 mSDsluCounter, 3983 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2274 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 1709 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax100 hnf100 lsp44 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:56:54,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:54,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a08b2e5-e442-427d-880b-c11c6301092f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE