./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/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_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/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_af345969-f33f-4402-9ef1-1e97f4d7b90e/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 d0919f37d9ec3b35ef959618459b2f9ff909696f753b572bc67b87ebda7b05b0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:12,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:12,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:50:12,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:12,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:12,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:12,463 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:12,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:12,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:12,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:12,466 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:12,467 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:50:12,468 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:50:12,468 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:50:12,469 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:50:12,470 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:50:12,470 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:50:12,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:12,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:50:12,472 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:12,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:12,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:12,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:12,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:50:12,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:50:12,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:50:12,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:50:12,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:12,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:12,478 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:50:12,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:12,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:12,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:12,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:12,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:12,480 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:50:12,481 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_af345969-f33f-4402-9ef1-1e97f4d7b90e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0919f37d9ec3b35ef959618459b2f9ff909696f753b572bc67b87ebda7b05b0 [2023-11-19 07:50:12,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:12,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:12,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:12,769 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:12,769 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:12,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2023-11-19 07:50:16,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:16,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:16,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2023-11-19 07:50:16,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/data/9c7d21500/15eba39b95aa4d1b97ab30f052a3e90e/FLAG8a5fc3054 [2023-11-19 07:50:16,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/data/9c7d21500/15eba39b95aa4d1b97ab30f052a3e90e [2023-11-19 07:50:16,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:16,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:16,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:16,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:16,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:16,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:16" (1/1) ... [2023-11-19 07:50:16,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2c11af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:16, skipping insertion in model container [2023-11-19 07:50:16,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:16" (1/1) ... [2023-11-19 07:50:16,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:16,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:16,866 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:16,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:17,004 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:17,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17 WrapperNode [2023-11-19 07:50:17,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:17,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:17,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:17,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:17,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,117 INFO L138 Inliner]: procedures = 23, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 893 [2023-11-19 07:50:17,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:17,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:17,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:17,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:17,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:17,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:17,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:17,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:17,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (1/1) ... [2023-11-19 07:50:17,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:17,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:17,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af345969-f33f-4402-9ef1-1e97f4d7b90e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:17,620 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:17,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:18,616 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:18,634 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:18,634 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:18,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:18 BoogieIcfgContainer [2023-11-19 07:50:18,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:18,644 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:50:18,644 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:50:18,647 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:50:18,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:50:18,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:50:16" (1/3) ... [2023-11-19 07:50:18,649 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40dd9880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:50:18, skipping insertion in model container [2023-11-19 07:50:18,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:50:18,649 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:17" (2/3) ... [2023-11-19 07:50:18,650 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40dd9880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:50:18, skipping insertion in model container [2023-11-19 07:50:18,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:50:18,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:18" (3/3) ... [2023-11-19 07:50:18,651 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2023-11-19 07:50:18,709 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:50:18,709 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:50:18,710 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:50:18,710 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:50:18,710 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:50:18,710 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:50:18,710 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:50:18,711 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:50:18,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 268 states, 267 states have (on average 1.8202247191011236) internal successors, (486), 267 states have internal predecessors, (486), 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 07:50:18,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 84 [2023-11-19 07:50:18,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:18,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:18,769 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 07:50:18,770 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 07:50:18,770 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:50:18,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 268 states, 267 states have (on average 1.8202247191011236) internal successors, (486), 267 states have internal predecessors, (486), 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 07:50:18,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 84 [2023-11-19 07:50:18,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:18,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:18,789 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 07:50:18,789 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 07:50:18,800 INFO L748 eck$LassoCheckResult]: Stem: 169#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 177#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 150#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 112#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 262#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 247#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 232#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 245#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 103#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 129#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 167#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 59#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 74#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 41#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 218#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 36#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 161#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 170#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 61#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 99#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 266#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 65#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 259#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 176#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 180#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 21#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 135#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 88#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 145#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 6#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 48#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 233#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 9#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 205#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 175#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 184#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 243#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 85#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 236#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 120#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 144#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 18#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 38#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 237#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 111#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 115#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 11#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 142#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 84#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 123#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 141#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 104#L897-1true init_#res#1 := init_~tmp___23~0#1; 81#init_returnLabel#1true main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 92#L21true assume !(0 == assume_abort_if_not_~cond#1); 147#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; 251#L1155-2true [2023-11-19 07:50:18,801 INFO L750 eck$LassoCheckResult]: Loop: 251#L1155-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 106#L109true assume !(0 != ~mode1~0 % 256); 40#L141true assume !(~r1~0 < 3); 253#L141-1true ~mode1~0 := 1; 126#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 172#L162true assume !(0 != ~mode2~0 % 256); 234#L194true assume !(~r2~0 < 3); 3#L194-1true ~mode2~0 := 1; 51#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 134#L215true assume !(0 != ~mode3~0 % 256); 101#L247true assume !(~r3~0 < 3); 254#L247-1true ~mode3~0 := 1; 260#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 157#L268true assume !(0 != ~mode4~0 % 256); 202#L300true assume !(~r4~0 < 3); 42#L300-1true ~mode4~0 := 1; 240#L268-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 213#L1026true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 16#L1026-1true check_#res#1 := check_~tmp~1#1; 151#check_returnLabel#1true main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 162#L1198true assume !(0 == assert_~arg#1 % 256); 209#L1193true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 251#L1155-2true [2023-11-19 07:50:18,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 1 times [2023-11-19 07:50:18,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:18,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962750367] [2023-11-19 07:50:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:18,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:19,616 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 07:50:19,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:19,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962750367] [2023-11-19 07:50:19,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962750367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:19,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:19,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:19,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494288265] [2023-11-19 07:50:19,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:19,629 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:50:19,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:19,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1222349233, now seen corresponding path program 1 times [2023-11-19 07:50:19,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:19,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975845291] [2023-11-19 07:50:19,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:19,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:19,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:19,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975845291] [2023-11-19 07:50:19,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975845291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:19,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:19,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:19,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808700762] [2023-11-19 07:50:19,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:19,875 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:50:19,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:19,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:50:19,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:50:19,925 INFO L87 Difference]: Start difference. First operand has 268 states, 267 states have (on average 1.8202247191011236) internal successors, (486), 267 states have internal predecessors, (486), 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 07:50:20,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:20,065 INFO L93 Difference]: Finished difference Result 271 states and 485 transitions. [2023-11-19 07:50:20,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 485 transitions. [2023-11-19 07:50:20,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82 [2023-11-19 07:50:20,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 262 states and 468 transitions. [2023-11-19 07:50:20,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262 [2023-11-19 07:50:20,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262 [2023-11-19 07:50:20,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 468 transitions. [2023-11-19 07:50:20,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:20,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 262 states and 468 transitions. [2023-11-19 07:50:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 468 transitions. [2023-11-19 07:50:20,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2023-11-19 07:50:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.786259541984733) internal successors, (468), 261 states have internal predecessors, (468), 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 07:50:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 468 transitions. [2023-11-19 07:50:20,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 262 states and 468 transitions. [2023-11-19 07:50:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:50:20,174 INFO L428 stractBuchiCegarLoop]: Abstraction has 262 states and 468 transitions. [2023-11-19 07:50:20,174 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:50:20,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 468 transitions. [2023-11-19 07:50:20,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82 [2023-11-19 07:50:20,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:20,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:20,184 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 07:50:20,184 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 07:50:20,185 INFO L748 eck$LassoCheckResult]: Stem: 786#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 787#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 777#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 692#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 750#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 588#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 817#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 641#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 736#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 669#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 765#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 672#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 677#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 631#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 647#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 577#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 633#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 696#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 679#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 658#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 732#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 636#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 684#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 619#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 791#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 603#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 604#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 655#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 719#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 568#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 569#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 627#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 573#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 574#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 790#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 721#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 796#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 715#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 716#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 567#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 756#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 559#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 597#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 637#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 747#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 616#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 579#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 580#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 714#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 596#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 759#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 592#L897-1 init_#res#1 := init_~tmp___23~0#1; 711#init_returnLabel#1 main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 712#L21 assume !(0 == assume_abort_if_not_~cond#1); 727#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; 774#L1155-2 [2023-11-19 07:50:20,185 INFO L750 eck$LassoCheckResult]: Loop: 774#L1155-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 742#L109 assume !(0 != ~mode1~0 % 256); 642#L141 assume !(~r1~0 < 3); 644#L141-1 ~mode1~0 := 1; 761#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 762#L162 assume !(0 != ~mode2~0 % 256); 789#L194 assume !(~r2~0 < 3); 560#L194-1 ~mode2~0 := 1; 561#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 666#L215 assume !(0 != ~mode3~0 % 256); 734#L247 assume !(~r3~0 < 3); 613#L247-1 ~mode3~0 := 1; 784#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 779#L268 assume !(0 != ~mode4~0 % 256); 780#L300 assume !(~r4~0 < 3); 645#L300-1 ~mode4~0 := 1; 646#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 806#L1026 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 601#L1027 assume ~st1~0 + ~nl1~0 <= 1; 602#L1028 assume ~st2~0 + ~nl2~0 <= 1; 764#L1029 assume ~st3~0 + ~nl3~0 <= 1; 808#L1030 assume ~st4~0 + ~nl4~0 <= 1; 706#L1031 assume ~r1~0 >= 3; 622#$Ultimate##630 assume ~r1~0 < 3; 623#$Ultimate##634 assume ~r1~0 >= 3; 748#$Ultimate##638 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 593#L1026-1 check_#res#1 := check_~tmp~1#1; 594#check_returnLabel#1 main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 776#L1198 assume !(0 == assert_~arg#1 % 256); 782#L1193 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 774#L1155-2 [2023-11-19 07:50:20,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:20,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 2 times [2023-11-19 07:50:20,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:20,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740131969] [2023-11-19 07:50:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:20,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:20,382 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 07:50:20,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:20,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740131969] [2023-11-19 07:50:20,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740131969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:20,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:20,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:20,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956640804] [2023-11-19 07:50:20,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:20,387 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:50:20,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash 844124544, now seen corresponding path program 1 times [2023-11-19 07:50:20,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:20,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896646480] [2023-11-19 07:50:20,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:20,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:50:20,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896646480] [2023-11-19 07:50:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896646480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:20,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:20,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:50:20,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963766318] [2023-11-19 07:50:20,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:20,426 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:50:20,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:20,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:20,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:20,428 INFO L87 Difference]: Start difference. First operand 262 states and 468 transitions. cyclomatic complexity: 207 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 07:50:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:20,491 INFO L93 Difference]: Finished difference Result 329 states and 575 transitions. [2023-11-19 07:50:20,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 329 states and 575 transitions. [2023-11-19 07:50:20,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 149 [2023-11-19 07:50:20,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 329 states to 329 states and 575 transitions. [2023-11-19 07:50:20,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 329 [2023-11-19 07:50:20,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329 [2023-11-19 07:50:20,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 329 states and 575 transitions. [2023-11-19 07:50:20,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:20,503 INFO L218 hiAutomatonCegarLoop]: Abstraction has 329 states and 575 transitions. [2023-11-19 07:50:20,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states and 575 transitions. [2023-11-19 07:50:20,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2023-11-19 07:50:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 329 states have (on average 1.7477203647416413) internal successors, (575), 328 states have internal predecessors, (575), 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 07:50:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 575 transitions. [2023-11-19 07:50:20,519 INFO L240 hiAutomatonCegarLoop]: Abstraction has 329 states and 575 transitions. [2023-11-19 07:50:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:20,525 INFO L428 stractBuchiCegarLoop]: Abstraction has 329 states and 575 transitions. [2023-11-19 07:50:20,525 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:50:20,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 329 states and 575 transitions. [2023-11-19 07:50:20,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 149 [2023-11-19 07:50:20,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:20,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:20,560 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 07:50:20,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:20,560 INFO L748 eck$LassoCheckResult]: Stem: 1386#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;~mode4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1377#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1291#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1349#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1188#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1421#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1240#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1335#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1267#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1364#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1270#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1275#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1230#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1245#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1177#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1232#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1295#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1278#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1256#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1331#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1235#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1283#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1219#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1391#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1203#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1204#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1253#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1319#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1168#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1169#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1226#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1173#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1174#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1390#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1321#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1396#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1313#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1314#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1167#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1355#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1159#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1200#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1236#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1346#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1216#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1179#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1180#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1312#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1196#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1358#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1192#L897-1 init_#res#1 := init_~tmp___23~0#1; 1309#init_returnLabel#1 main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1310#L21 assume !(0 == assume_abort_if_not_~cond#1); 1327#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; 1374#L1155-2 [2023-11-19 07:50:20,561 INFO L750 eck$LassoCheckResult]: Loop: 1374#L1155-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 1481#L109 assume !(0 != ~mode1~0 % 256); 1480#L141 assume ~r1~0 < 3; 1328#L142 assume 0 != ~ep12~0 % 256;~p12_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 - 256); 1316#L142-2 assume 0 != ~ep13~0 % 256;~p13_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 - 256); 1276#L145-1 assume 0 != ~ep14~0 % 256;~p14_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 - 256); 1277#L141-1 ~mode1~0 := 1; 1467#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1465#L162 assume !(0 != ~mode2~0 % 256); 1466#L194 assume !(~r2~0 < 3); 1454#L194-1 ~mode2~0 := 1; 1453#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1451#L215 assume !(0 != ~mode3~0 % 256); 1448#L247 assume !(~r3~0 < 3); 1444#L247-1 ~mode3~0 := 1; 1440#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1438#L268 assume !(0 != ~mode4~0 % 256); 1434#L300 assume !(~r4~0 < 3); 1432#L300-1 ~mode4~0 := 1; 1430#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1429#L1026 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1428#L1027 assume ~st1~0 + ~nl1~0 <= 1; 1427#L1028 assume ~st2~0 + ~nl2~0 <= 1; 1426#L1029 assume ~st3~0 + ~nl3~0 <= 1; 1425#L1030 assume ~st4~0 + ~nl4~0 <= 1; 1424#L1031 assume !(~r1~0 >= 3); 1401#L1034 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1402#$Ultimate##630 assume ~r1~0 < 3; 1479#$Ultimate##634 assume !(~r1~0 >= 3); 1406#L1044 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1407#$Ultimate##638 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1485#L1026-1 check_#res#1 := check_~tmp~1#1; 1484#check_returnLabel#1 main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1483#L1198 assume !(0 == assert_~arg#1 % 256); 1482#L1193 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 1374#L1155-2 [2023-11-19 07:50:20,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:20,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 3 times [2023-11-19 07:50:20,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:20,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588407412] [2023-11-19 07:50:20,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:20,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:20,747 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 07:50:20,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:20,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588407412] [2023-11-19 07:50:20,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588407412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:20,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:20,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:50:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051911137] [2023-11-19 07:50:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:20,750 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:50:20,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:20,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2048235985, now seen corresponding path program 1 times [2023-11-19 07:50:20,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:20,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411325593] [2023-11-19 07:50:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:20,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:20,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:26,979 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:50:26,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:50:26,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:50:26,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:50:26,980 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:50:26,980 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:26,980 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:50:26,980 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:50:26,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2023-11-19 07:50:26,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:50:26,981 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:50:27,052 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 07:50:27,065 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 07:50:27,068 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 07:50:27,071 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 07:50:27,077 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 07:50:27,079 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 07:50:27,082 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 07:50:27,087 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 07:50:27,090 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 07:50:27,092 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 07:50:27,098 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 07:50:27,101 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 07:50:27,104 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 07:50:27,107 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 07:50:27,110 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 07:50:27,113 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 07:50:27,126 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 07:50:28,329 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 07:50:28,338 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 07:50:28,342 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 07:50:28,346 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 07:50:29,671 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2023-11-19 07:50:37,244 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 155134 conjunctions. This might take some time...