./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7669776db00f6295c4028d825bdd51b22a88fb95e78feea7b33da1a0ac83f7c3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:32:56,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:32:56,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:32:56,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:32:56,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:32:56,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:32:56,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:32:56,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:32:56,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:32:56,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:32:56,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:32:56,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:32:56,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:32:56,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:32:56,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:32:56,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:32:56,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:32:56,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:32:56,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:32:56,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:32:56,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:32:56,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:32:56,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:32:56,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:32:56,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:32:56,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:32:56,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:32:56,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:32:56,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:32:56,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:32:56,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:32:56,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:32:56,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:32:56,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:32:56,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:32:56,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:32:56,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:32:56,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:32:56,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:32:56,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:32:56,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:32:56,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:32:56,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:32:56,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:32:56,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:32:56,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:32:56,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:32:56,569 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:32:56,569 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:32:56,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:32:56,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:32:56,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:32:56,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:32:56,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:32:56,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:32:56,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:32:56,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:32:56,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:32:56,572 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:32:56,572 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7669776db00f6295c4028d825bdd51b22a88fb95e78feea7b33da1a0ac83f7c3 [2022-12-13 18:32:56,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:32:56,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:32:56,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:32:56,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:32:56,763 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:32:56,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2022-12-13 18:32:59,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:32:59,591 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:32:59,591 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2022-12-13 18:32:59,601 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/data/397691652/f5539e4b931f4c8bb287e2b02a88d4d3/FLAGfa6192158 [2022-12-13 18:32:59,615 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/data/397691652/f5539e4b931f4c8bb287e2b02a88d4d3 [2022-12-13 18:32:59,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:32:59,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:32:59,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:32:59,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:32:59,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:32:59,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7316d8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59, skipping insertion in model container [2022-12-13 18:32:59,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:32:59,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:32:59,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c[28368,28381] [2022-12-13 18:32:59,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:32:59,840 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:32:59,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c[28368,28381] [2022-12-13 18:32:59,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:32:59,903 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:32:59,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59 WrapperNode [2022-12-13 18:32:59,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:32:59,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:32:59,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:32:59,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:32:59,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,949 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 882 [2022-12-13 18:32:59,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:32:59,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:32:59,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:32:59,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:32:59,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:32:59,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:32:59,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:32:59,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:32:59,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (1/1) ... [2022-12-13 18:32:59,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:32:59,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:33:00,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:33:00,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:33:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:33:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:33:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:33:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:33:00,148 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:33:00,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:33:00,796 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:33:00,804 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:33:00,804 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:33:00,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:33:00 BoogieIcfgContainer [2022-12-13 18:33:00,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:33:00,807 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:33:00,807 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:33:00,810 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:33:00,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:33:00,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:32:59" (1/3) ... [2022-12-13 18:33:00,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a662912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:33:00, skipping insertion in model container [2022-12-13 18:33:00,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:33:00,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:32:59" (2/3) ... [2022-12-13 18:33:00,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a662912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:33:00, skipping insertion in model container [2022-12-13 18:33:00,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:33:00,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:33:00" (3/3) ... [2022-12-13 18:33:00,813 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2022-12-13 18:33:00,857 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:33:00,858 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:33:00,858 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:33:00,858 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:33:00,858 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:33:00,858 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:33:00,858 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:33:00,858 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:33:00,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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) [2022-12-13 18:33:00,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2022-12-13 18:33:00,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:00,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:00,896 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] [2022-12-13 18:33:00,896 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] [2022-12-13 18:33:00,896 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:33:00,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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) [2022-12-13 18:33:00,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2022-12-13 18:33:00,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:00,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:00,906 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] [2022-12-13 18:33:00,906 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] [2022-12-13 18:33:00,913 INFO L748 eck$LassoCheckResult]: Stem: 168#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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; 176#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;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#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; 175#L406true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 41#L417true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 241#L427true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 243#L438true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 126#L448true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 8#L459true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 16#L469true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 50#L480true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 153#L490true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 183#L501true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 211#L511true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 251#L522true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 60#L532true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 49#L543true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 224#L553true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 18#L564true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 51#L574true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 222#L585true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 288#L595true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 151#L606true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 256#L616true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 55#L627true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 109#L637true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 287#L648true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 163#L658true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 114#L669true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 252#L679true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 191#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; 180#L711true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 87#L721true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 165#L732true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 40#L742true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 130#L753true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 212#L763true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 236#L774true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 272#L784true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 142#L795true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 86#L805true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 213#L816true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 52#L826true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 117#L837true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 261#L847true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 220#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); 12#L889true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 237#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; 19#L910-1true init_#res#1 := init_~tmp___23~0#1; 95#init_returnLabel#1true main_#t~ret44#1 := init_#res#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; 47#L22true assume !(0 == assume_abort_if_not_~cond#1); 102#L21true 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#L1216-2true [2022-12-13 18:33:00,913 INFO L750 eck$LassoCheckResult]: Loop: 3#L1216-2true assume !false;assume { :begin_inline_node1 } true; 75#L110true assume !(0 != ~mode1~0 % 256); 65#L145true assume !(~r1~0 % 256 < 3); 74#L145-1true ~mode1~0 := 1; 44#L110-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 97#L166true assume !(0 != ~mode2~0 % 256); 202#L201true assume !(~r2~0 % 256 < 3); 245#L201-1true ~mode2~0 := 1; 239#L166-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 88#L222true assume !(0 != ~mode3~0 % 256); 125#L257true assume !(~r3~0 % 256 < 3); 59#L257-1true ~mode3~0 := 1; 15#L222-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 137#L278true assume !(0 != ~mode4~0 % 256); 26#L313true assume !(~r4~0 % 256 < 3); 121#L313-1true ~mode4~0 := 1; 140#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; 135#L1087true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 129#L1087-1true check_#res#1 := check_~tmp~1#1; 152#check_returnLabel#1true main_#t~ret45#1 := check_#res#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; 158#L1258true assume !(0 == assert_~arg#1 % 256); 66#L1253true assume { :end_inline_assert } true; 3#L1216-2true [2022-12-13 18:33:00,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:00,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2022-12-13 18:33:00,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:00,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467718834] [2022-12-13 18:33:00,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:00,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:01,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:01,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467718834] [2022-12-13 18:33:01,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467718834] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:01,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:01,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:33:01,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716466379] [2022-12-13 18:33:01,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:01,256 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 18:33:01,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:01,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1386693619, now seen corresponding path program 1 times [2022-12-13 18:33:01,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:01,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034465292] [2022-12-13 18:33:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:01,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:01,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034465292] [2022-12-13 18:33:01,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034465292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:01,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:01,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:33:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719727039] [2022-12-13 18:33:01,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:01,368 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:33:01,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:33:01,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:33:01,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:33:01,393 INFO L87 Difference]: Start difference. First operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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) [2022-12-13 18:33:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:33:01,495 INFO L93 Difference]: Finished difference Result 287 states and 517 transitions. [2022-12-13 18:33:01,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 517 transitions. [2022-12-13 18:33:01,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2022-12-13 18:33:01,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 282 states and 504 transitions. [2022-12-13 18:33:01,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2022-12-13 18:33:01,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2022-12-13 18:33:01,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 504 transitions. [2022-12-13 18:33:01,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:33:01,511 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-12-13 18:33:01,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 504 transitions. [2022-12-13 18:33:01,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-12-13 18:33:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.7872340425531914) internal successors, (504), 281 states have internal predecessors, (504), 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) [2022-12-13 18:33:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 504 transitions. [2022-12-13 18:33:01,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-12-13 18:33:01,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:33:01,546 INFO L428 stractBuchiCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-12-13 18:33:01,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:33:01,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 504 transitions. [2022-12-13 18:33:01,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2022-12-13 18:33:01,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:01,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:01,550 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] [2022-12-13 18:33:01,550 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] [2022-12-13 18:33:01,550 INFO L748 eck$LassoCheckResult]: Stem: 834#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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; 835#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;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#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; 838#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 637#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 680#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 840#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 796#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 607#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 608#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 629#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 695#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 682#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 843#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 684#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 709#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 631#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 694#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 633#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 634#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 696#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 859#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 670#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 823#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 673#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 705#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 771#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 831#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 701#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 778#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 676#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 721#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 722#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 748#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 616#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 677#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 678#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 802#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 826#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 865#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 611#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 746#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 594#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 698#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 665#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 783#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 785#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 655#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 656#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 617#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 618#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 638#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 599#L910-1 init_#res#1 := init_~tmp___23~0#1; 635#init_returnLabel#1 main_#t~ret44#1 := init_#res#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; 690#L22 assume !(0 == assume_abort_if_not_~cond#1); 691#L21 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; 595#L1216-2 [2022-12-13 18:33:01,551 INFO L750 eck$LassoCheckResult]: Loop: 595#L1216-2 assume !false;assume { :begin_inline_node1 } true; 596#L110 assume !(0 != ~mode1~0 % 256); 717#L145 assume !(~r1~0 % 256 < 3); 719#L145-1 ~mode1~0 := 1; 641#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 686#L166 assume !(0 != ~mode2~0 % 256); 756#L201 assume !(~r2~0 % 256 < 3); 847#L201-1 ~mode2~0 := 1; 866#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 750#L222 assume !(0 != ~mode3~0 % 256); 751#L257 assume !(~r3~0 % 256 < 3); 708#L257-1 ~mode3~0 := 1; 626#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 627#L278 assume !(0 != ~mode4~0 % 256); 648#L313 assume !(~r4~0 % 256 < 3); 649#L313-1 ~mode4~0 := 1; 787#L278-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 806#L1087 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 807#L1088 assume ~st1~0 + ~nl1~0 <= 1; 869#L1089 assume ~st2~0 + ~nl2~0 <= 1; 653#L1090 assume ~st3~0 + ~nl3~0 <= 1; 654#L1091 assume ~st4~0 + ~nl4~0 <= 1; 727#L1092 assume ~r1~0 % 256 >= 3; 703#$Ultimate##678 assume ~r1~0 % 256 < 3; 620#$Ultimate##682 assume ~r1~0 % 256 >= 3; 621#$Ultimate##686 assume ~r1~0 % 256 < 3;check_~tmp~1#1 := 1; 800#L1087-1 check_#res#1 := check_~tmp~1#1; 801#check_returnLabel#1 main_#t~ret45#1 := check_#res#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; 824#L1258 assume !(0 == assert_~arg#1 % 256); 716#L1253 assume { :end_inline_assert } true; 595#L1216-2 [2022-12-13 18:33:01,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:01,551 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2022-12-13 18:33:01,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:01,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054610751] [2022-12-13 18:33:01,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:01,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:01,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:01,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054610751] [2022-12-13 18:33:01,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054610751] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:01,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:01,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:33:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152482854] [2022-12-13 18:33:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:01,648 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 18:33:01,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:01,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1274057180, now seen corresponding path program 1 times [2022-12-13 18:33:01,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:01,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796951638] [2022-12-13 18:33:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:01,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:01,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:01,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796951638] [2022-12-13 18:33:01,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796951638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:01,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:01,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:33:01,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003850862] [2022-12-13 18:33:01,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:01,675 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:33:01,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:33:01,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:33:01,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:33:01,676 INFO L87 Difference]: Start difference. First operand 282 states and 504 transitions. cyclomatic complexity: 223 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) [2022-12-13 18:33:01,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:33:01,729 INFO L93 Difference]: Finished difference Result 357 states and 623 transitions. [2022-12-13 18:33:01,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 357 states and 623 transitions. [2022-12-13 18:33:01,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 165 [2022-12-13 18:33:01,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 357 states to 357 states and 623 transitions. [2022-12-13 18:33:01,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2022-12-13 18:33:01,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2022-12-13 18:33:01,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 623 transitions. [2022-12-13 18:33:01,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:33:01,738 INFO L218 hiAutomatonCegarLoop]: Abstraction has 357 states and 623 transitions. [2022-12-13 18:33:01,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 623 transitions. [2022-12-13 18:33:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 355. [2022-12-13 18:33:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 355 states have (on average 1.7464788732394365) internal successors, (620), 354 states have internal predecessors, (620), 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) [2022-12-13 18:33:01,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 620 transitions. [2022-12-13 18:33:01,749 INFO L240 hiAutomatonCegarLoop]: Abstraction has 355 states and 620 transitions. [2022-12-13 18:33:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:33:01,750 INFO L428 stractBuchiCegarLoop]: Abstraction has 355 states and 620 transitions. [2022-12-13 18:33:01,750 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:33:01,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 355 states and 620 transitions. [2022-12-13 18:33:01,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 163 [2022-12-13 18:33:01,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:33:01,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:33:01,753 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] [2022-12-13 18:33:01,753 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] [2022-12-13 18:33:01,754 INFO L748 eck$LassoCheckResult]: Stem: 1484#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;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; 1485#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;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#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; 1488#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1286#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1327#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1490#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1446#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1255#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1256#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1276#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1342#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1329#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1493#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1331#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1356#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1278#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1341#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1280#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1281#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1343#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1511#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1317#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1474#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1320#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1352#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1421#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1481#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1348#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1432#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1323#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1369#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1370#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1396#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1264#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1324#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1325#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1453#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1477#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1518#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1259#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1394#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1244#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1345#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1312#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1433#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1435#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1302#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1303#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1265#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1266#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1283#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1247#L910-1 init_#res#1 := init_~tmp___23~0#1; 1282#init_returnLabel#1 main_#t~ret44#1 := init_#res#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; 1336#L22 assume !(0 == assume_abort_if_not_~cond#1); 1337#L21 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; 1411#L1216-2 [2022-12-13 18:33:01,754 INFO L750 eck$LassoCheckResult]: Loop: 1411#L1216-2 assume !false;assume { :begin_inline_node1 } true; 1590#L110 assume !(0 != ~mode1~0 % 256); 1589#L145 assume ~r1~0 % 256 < 3; 1402#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); 1403#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); 1448#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); 1449#L145-1 ~mode1~0 := 1; 1584#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1582#L166 assume !(0 != ~mode2~0 % 256); 1583#L201 assume !(~r2~0 % 256 < 3); 1567#L201-1 ~mode2~0 := 1; 1564#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1562#L222 assume !(0 != ~mode3~0 % 256); 1558#L257 assume !(~r3~0 % 256 < 3); 1553#L257-1 ~mode3~0 := 1; 1552#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1551#L278 assume !(0 != ~mode4~0 % 256); 1539#L313 assume !(~r4~0 % 256 < 3); 1535#L313-1 ~mode4~0 := 1; 1534#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; 1533#L1087 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1532#L1088 assume ~st1~0 + ~nl1~0 <= 1; 1531#L1089 assume ~st2~0 + ~nl2~0 <= 1; 1530#L1090 assume ~st3~0 + ~nl3~0 <= 1; 1529#L1091 assume ~st4~0 + ~nl4~0 <= 1; 1528#L1092 assume !(~r1~0 % 256 >= 3); 1498#L1095 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1499#$Ultimate##678 assume ~r1~0 % 256 < 3; 1527#$Ultimate##682 assume !(~r1~0 % 256 >= 3); 1379#L1105 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1380#$Ultimate##686 assume ~r1~0 % 256 < 3;check_~tmp~1#1 := 1; 1594#L1087-1 check_#res#1 := check_~tmp~1#1; 1593#check_returnLabel#1 main_#t~ret45#1 := check_#res#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; 1592#L1258 assume !(0 == assert_~arg#1 % 256); 1591#L1253 assume { :end_inline_assert } true; 1411#L1216-2 [2022-12-13 18:33:01,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:01,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2022-12-13 18:33:01,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:01,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136147097] [2022-12-13 18:33:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:33:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:33:01,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:33:01,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136147097] [2022-12-13 18:33:01,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136147097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:33:01,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:33:01,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:33:01,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768851560] [2022-12-13 18:33:01,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:33:01,850 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 18:33:01,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:33:01,851 INFO L85 PathProgramCache]: Analyzing trace with hash 287650636, now seen corresponding path program 1 times [2022-12-13 18:33:01,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:33:01,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018166602] [2022-12-13 18:33:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:33:01,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:33:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:01,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:33:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:33:01,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:33:04,594 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:33:04,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:33:04,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:33:04,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:33:04,595 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:33:04,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:33:04,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:33:04,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:33:04,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.3.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-12-13 18:33:04,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:33:04,596 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:33:04,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:04,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:05,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:33:06,238 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-12-13 18:33:08,575 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 88704 conjuctions. This might take some time... [2022-12-13 18:35:06,930 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 4336 conjuctions. [2022-12-13 18:41:22,499 WARN L233 SmtUtils]: Spent 6.26m on a formula simplification. DAG size of input: 2432 DAG size of output: 350 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-12-13 18:41:22,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:41:22,659 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:41:22,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:41:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:41:22,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:41:22,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 18:41:22,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:41:22,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:41:22,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:41:22,679 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret45#1=0} Honda state: {ULTIMATE.start_main_#t~ret45#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 18:41:22,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:41:22,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:41:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:41:22,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:41:22,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 18:41:22,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:41:22,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:41:22,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 18:41:22,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:41:22,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:41:22,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:41:22,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 18:41:22,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:41:22,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:41:22,795 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:41:22,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8755c8af-2360-4708-88cf-5eb8f8b9a24c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 18:41:22,799 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:41:22,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:41:22,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:41:22,799 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:41:22,799 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:41:22,799 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:41:22,799 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:41:22,799 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:41:22,799 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.3.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-12-13 18:41:22,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:41:22,799 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:41:22,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:22,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:22,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:22,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:22,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,497 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,506 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:23,512 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 18:41:24,522 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-12-13 18:41:26,367 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 109188 conjuctions. This might take some time... [2022-12-13 18:44:14,827 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 4336 conjuctions.