./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.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_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/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_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/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_d828eb88-ccb5-4cbb-a866-8c6989532571/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 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:32,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:33,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:39:33,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:33,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:33,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:33,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:33,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:33,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:33,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:33,097 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:33,098 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:39:33,098 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:39:33,100 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:39:33,101 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:39:33,101 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:39:33,102 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:39:33,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:33,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:39:33,103 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:33,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:33,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:33,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:33,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:39:33,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:39:33,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:39:33,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:39:33,107 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:33,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:33,108 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:39:33,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:33,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:33,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:33,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:33,111 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:33,112 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:39:33,112 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_d828eb88-ccb5-4cbb-a866-8c6989532571/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ad91d1ba346b49105baf3c8411bd3b92e43cc8020f63db454a4318afdf99c1 [2023-11-19 07:39:33,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:33,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:33,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:33,552 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:33,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:33,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2023-11-19 07:39:36,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:36,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:36,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2023-11-19 07:39:36,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/data/37d97d066/03b43edbac6a4037a56708e7578348c3/FLAGaf2f19968 [2023-11-19 07:39:36,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/data/37d97d066/03b43edbac6a4037a56708e7578348c3 [2023-11-19 07:39:36,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:36,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:36,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:36,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:36,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:36,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:36" (1/1) ... [2023-11-19 07:39:36,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490d152a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:36, skipping insertion in model container [2023-11-19 07:39:36,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:36" (1/1) ... [2023-11-19 07:39:36,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:37,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:37,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:37,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:37,471 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:37,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37 WrapperNode [2023-11-19 07:39:37,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:37,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:37,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:37,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:37,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,608 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 898 [2023-11-19 07:39:37,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:37,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:37,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:37,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:37,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,660 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:37,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:37,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:37,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:37,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (1/1) ... [2023-11-19 07:39:37,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:37,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:37,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:37,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d828eb88-ccb5-4cbb-a866-8c6989532571/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:37,995 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:37,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:39,158 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:39,177 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:39,177 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:39,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:39 BoogieIcfgContainer [2023-11-19 07:39:39,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:39,185 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:39:39,185 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:39:39,191 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:39:39,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:39,192 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:39:36" (1/3) ... [2023-11-19 07:39:39,193 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3429e1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:39, skipping insertion in model container [2023-11-19 07:39:39,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:39,193 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:37" (2/3) ... [2023-11-19 07:39:39,194 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3429e1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:39, skipping insertion in model container [2023-11-19 07:39:39,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:39,194 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:39" (3/3) ... [2023-11-19 07:39:39,195 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2023-11-19 07:39:39,263 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:39:39,263 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:39:39,263 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:39:39,263 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:39:39,263 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:39:39,263 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:39:39,263 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:39:39,264 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:39:39,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 276 states, 275 states have (on average 1.8109090909090908) internal successors, (498), 275 states have internal predecessors, (498), 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 07:39:39,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2023-11-19 07:39:39,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:39,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:39,323 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 07:39:39,323 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 07:39:39,324 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:39:39,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 276 states, 275 states have (on average 1.8109090909090908) internal successors, (498), 275 states have internal predecessors, (498), 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 07:39:39,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2023-11-19 07:39:39,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:39,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:39,345 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 07:39:39,345 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 07:39:39,356 INFO L748 eck$LassoCheckResult]: Stem: 163#$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; 170#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_~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; 169#L406true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 44#L417true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 233#L427true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 235#L438true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 125#L448true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 7#L459true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 14#L469true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 52#L480true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 150#L490true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 176#L501true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 203#L511true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 243#L522true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 61#L532true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 51#L543true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 217#L553true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 16#L564true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 53#L574true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 215#L585true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 277#L595true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 148#L606true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 247#L616true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 57#L627true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 108#L637true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 276#L648true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 159#L658true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 112#L669true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 244#L679true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 184#L690true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 68#L700true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 173#L711true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 86#L721true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 160#L732true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 42#L742true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 128#L753true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 204#L763true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 229#L774true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 262#L784true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 139#L795true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 85#L805true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 205#L816true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 54#L826true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 115#L837true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 250#L847true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 213#L858true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 28#L868true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 94#L879true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 11#L889true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 230#L900true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 21#L910true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 18#L910-1true init_#res#1 := init_~tmp___23~0#1; 95#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; 49#L22true assume !(0 == assume_abort_if_not_~cond#1); 102#L21true 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; 3#L1168-2true [2023-11-19 07:39:39,358 INFO L750 eck$LassoCheckResult]: Loop: 3#L1168-2true assume !false;assume { :begin_inline_node1 } true; 75#L110true assume !(0 != ~mode1~0 % 256); 66#L145true assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3); 74#L145-1true ~mode1~0 := 1; 47#L110-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 97#L166true assume !(0 != ~mode2~0 % 256); 194#L201true assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3); 237#L201-1true ~mode2~0 := 1; 232#L166-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 87#L222true assume !(0 != ~mode3~0 % 256); 124#L257true assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3); 60#L257-1true ~mode3~0 := 1; 13#L222-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 133#L278true assume !(0 != ~mode4~0 % 256); 26#L313true assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3); 120#L313-1true ~mode4~0 := 1; 137#L278-2true 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; 140#L1039true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 242#L1039-1true check_#res#1 := check_~tmp~1#1; 149#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; 38#L1210true assume !(0 == assert_~arg#1 % 256); 37#L1205true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; 3#L1168-2true [2023-11-19 07:39:39,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 1 times [2023-11-19 07:39:39,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:39,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457913154] [2023-11-19 07:39:39,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:39,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,069 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 07:39:40,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:40,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457913154] [2023-11-19 07:39:40,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457913154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:40,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:40,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:39:40,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118011642] [2023-11-19 07:39:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:40,081 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:39:40,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:40,083 INFO L85 PathProgramCache]: Analyzing trace with hash -79161011, now seen corresponding path program 1 times [2023-11-19 07:39:40,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:40,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298315061] [2023-11-19 07:39:40,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:40,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:40,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298315061] [2023-11-19 07:39:40,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298315061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:40,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:40,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:39:40,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940042859] [2023-11-19 07:39:40,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:40,318 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:39:40,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:40,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:39:40,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:39:40,354 INFO L87 Difference]: Start difference. First operand has 276 states, 275 states have (on average 1.8109090909090908) internal successors, (498), 275 states have internal predecessors, (498), 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 07:39:40,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:40,468 INFO L93 Difference]: Finished difference Result 275 states and 493 transitions. [2023-11-19 07:39:40,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 493 transitions. [2023-11-19 07:39:40,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2023-11-19 07:39:40,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 270 states and 480 transitions. [2023-11-19 07:39:40,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 270 [2023-11-19 07:39:40,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 270 [2023-11-19 07:39:40,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 270 states and 480 transitions. [2023-11-19 07:39:40,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:40,495 INFO L218 hiAutomatonCegarLoop]: Abstraction has 270 states and 480 transitions. [2023-11-19 07:39:40,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states and 480 transitions. [2023-11-19 07:39:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2023-11-19 07:39:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 270 states have (on average 1.7777777777777777) internal successors, (480), 269 states have internal predecessors, (480), 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 07:39:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 480 transitions. [2023-11-19 07:39:40,541 INFO L240 hiAutomatonCegarLoop]: Abstraction has 270 states and 480 transitions. [2023-11-19 07:39:40,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:39:40,545 INFO L428 stractBuchiCegarLoop]: Abstraction has 270 states and 480 transitions. [2023-11-19 07:39:40,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:39:40,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 480 transitions. [2023-11-19 07:39:40,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2023-11-19 07:39:40,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:40,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:40,553 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 07:39:40,553 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 07:39:40,554 INFO L748 eck$LassoCheckResult]: Stem: 802#$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; 803#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_~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; 806#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 613#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 660#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 808#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 771#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 582#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 583#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 601#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 673#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 662#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 811#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 664#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 685#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 603#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 672#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 607#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 608#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 674#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 826#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 644#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 792#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 647#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 681#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 747#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 799#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 679#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 752#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 654#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 696#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 697#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 724#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 591#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 655#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 656#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 775#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 795#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 832#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 586#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 722#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 571#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 676#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 639#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 757#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 760#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 629#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 630#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 592#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 593#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 614#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 576#L910-1 init_#res#1 := init_~tmp___23~0#1; 611#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; 668#L22 assume !(0 == assume_abort_if_not_~cond#1); 669#L21 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; 572#L1168-2 [2023-11-19 07:39:40,554 INFO L750 eck$LassoCheckResult]: Loop: 572#L1168-2 assume !false;assume { :begin_inline_node1 } true; 573#L110 assume !(0 != ~mode1~0 % 256); 692#L145 assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3); 694#L145-1 ~mode1~0 := 1; 617#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 666#L166 assume !(0 != ~mode2~0 % 256); 735#L201 assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3); 814#L201-1 ~mode2~0 := 1; 833#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 726#L222 assume !(0 != ~mode3~0 % 256); 727#L257 assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3); 684#L257-1 ~mode3~0 := 1; 598#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 599#L278 assume !(0 != ~mode4~0 % 256); 624#L313 assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3); 626#L313-1 ~mode4~0 := 1; 762#L278-2 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; 780#L1039 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 658#L1040 assume ~st1~0 + ~nl1~0 <= 1; 659#L1041 assume ~st2~0 + ~nl2~0 <= 1; 609#L1042 assume ~st3~0 + ~nl3~0 <= 1; 610#L1043 assume ~st4~0 + ~nl4~0 <= 1; 758#L1044 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3; 703#$Ultimate##642 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3; 731#$Ultimate##646 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3; 651#$Ultimate##650 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;check_~tmp~1#1 := 1; 606#L1039-1 check_#res#1 := check_~tmp~1#1; 793#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; 649#L1210 assume !(0 == assert_~arg#1 % 256); 648#L1205 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; 572#L1168-2 [2023-11-19 07:39:40,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:40,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 2 times [2023-11-19 07:39:40,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968405918] [2023-11-19 07:39:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,755 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 07:39:40,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:40,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968405918] [2023-11-19 07:39:40,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968405918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:40,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:40,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:39:40,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122511501] [2023-11-19 07:39:40,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:40,758 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:39:40,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:40,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2144842980, now seen corresponding path program 1 times [2023-11-19 07:39:40,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:40,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588927588] [2023-11-19 07:39:40,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:40,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:40,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588927588] [2023-11-19 07:39:40,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588927588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:40,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:40,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:39:40,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465202970] [2023-11-19 07:39:40,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:40,847 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:39:40,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:40,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:40,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:40,849 INFO L87 Difference]: Start difference. First operand 270 states and 480 transitions. cyclomatic complexity: 211 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 07:39:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:40,934 INFO L93 Difference]: Finished difference Result 345 states and 599 transitions. [2023-11-19 07:39:40,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 345 states and 599 transitions. [2023-11-19 07:39:40,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 165 [2023-11-19 07:39:40,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 345 states to 345 states and 599 transitions. [2023-11-19 07:39:40,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 345 [2023-11-19 07:39:40,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 345 [2023-11-19 07:39:40,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 345 states and 599 transitions. [2023-11-19 07:39:40,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:40,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 345 states and 599 transitions. [2023-11-19 07:39:40,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states and 599 transitions. [2023-11-19 07:39:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2023-11-19 07:39:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 343 states have (on average 1.7376093294460642) internal successors, (596), 342 states have internal predecessors, (596), 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 07:39:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 596 transitions. [2023-11-19 07:39:40,971 INFO L240 hiAutomatonCegarLoop]: Abstraction has 343 states and 596 transitions. [2023-11-19 07:39:40,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:40,972 INFO L428 stractBuchiCegarLoop]: Abstraction has 343 states and 596 transitions. [2023-11-19 07:39:40,973 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:39:40,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 343 states and 596 transitions. [2023-11-19 07:39:40,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 163 [2023-11-19 07:39:40,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:40,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:40,980 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 07:39:40,980 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 07:39:40,980 INFO L748 eck$LassoCheckResult]: Stem: 1428#$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; 1429#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_~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; 1432#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1237#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1284#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1434#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1396#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1206#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1207#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1225#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1297#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1286#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1437#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1288#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1309#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1227#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1296#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1231#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1232#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1298#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1454#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1268#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1418#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1271#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1305#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1372#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1425#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1303#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1379#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1278#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1319#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1320#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1347#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1215#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1279#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1280#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1401#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1421#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1461#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1210#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1345#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1195#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1300#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1263#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1382#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1385#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1253#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1254#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1216#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1217#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1238#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1200#L910-1 init_#res#1 := init_~tmp___23~0#1; 1235#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; 1292#L22 assume !(0 == assume_abort_if_not_~cond#1); 1293#L21 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; 1364#L1168-2 [2023-11-19 07:39:40,981 INFO L750 eck$LassoCheckResult]: Loop: 1364#L1168-2 assume !false;assume { :begin_inline_node1 } true; 1530#L110 assume !(0 != ~mode1~0 % 256); 1529#L145 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3; 1355#L146 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); 1356#L146-2 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); 1398#L149-1 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); 1399#L145-1 ~mode1~0 := 1; 1522#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1518#L166 assume !(0 != ~mode2~0 % 256); 1514#L201 assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3); 1509#L201-1 ~mode2~0 := 1; 1506#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1504#L222 assume !(0 != ~mode3~0 % 256); 1505#L257 assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3); 1489#L257-1 ~mode3~0 := 1; 1486#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1484#L278 assume !(0 != ~mode4~0 % 256); 1480#L313 assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3); 1475#L313-1 ~mode4~0 := 1; 1474#L278-2 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; 1473#L1039 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1472#L1040 assume ~st1~0 + ~nl1~0 <= 1; 1471#L1041 assume ~st2~0 + ~nl2~0 <= 1; 1470#L1042 assume ~st3~0 + ~nl3~0 <= 1; 1469#L1043 assume ~st4~0 + ~nl4~0 <= 1; 1468#L1044 assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3); 1325#L1047 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1326#$Ultimate##642 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3; 1535#$Ultimate##646 assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3); 1274#L1057 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1275#$Ultimate##650 assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;check_~tmp~1#1 := 1; 1534#L1039-1 check_#res#1 := check_~tmp~1#1; 1533#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; 1532#L1210 assume !(0 == assert_~arg#1 % 256); 1531#L1205 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true; 1364#L1168-2 [2023-11-19 07:39:40,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:40,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 3 times [2023-11-19 07:39:40,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:40,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148282474] [2023-11-19 07:39:40,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:40,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:41,144 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 07:39:41,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:41,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148282474] [2023-11-19 07:39:41,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148282474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:41,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:41,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:39:41,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467199568] [2023-11-19 07:39:41,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:41,147 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:39:41,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:41,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1816089532, now seen corresponding path program 1 times [2023-11-19 07:39:41,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:41,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620789547] [2023-11-19 07:39:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:41,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:41,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:47,295 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:39:47,296 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:39:47,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:39:47,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:39:47,296 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:39:47,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:47,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:39:47,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:39:47,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2023-11-19 07:39:47,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:39:47,298 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:39:47,346 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 07:39:47,359 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 07:39:47,363 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 07:39:47,365 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 07:39:47,367 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 07:39:47,370 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 07:39:47,376 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 07:39:47,378 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 07:39:47,388 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 07:39:47,392 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 07:39:47,395 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 07:39:47,398 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 07:39:47,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:47,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:39:47,417 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 07:39:48,610 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 07:39:48,613 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 07:39:48,619 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 07:39:48,622 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 07:39:49,994 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2023-11-19 07:39:58,459 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 137151 conjunctions. This might take some time...