./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC --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 154c8310ba4c99c97c8e011a942ed9fa1acb3bb0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:29:49,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:29:49,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:29:49,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:29:49,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:29:49,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:29:49,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:29:49,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:29:49,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:29:49,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:29:49,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:29:49,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:29:49,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:29:49,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:29:49,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:29:49,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:29:49,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:29:49,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:29:50,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:29:50,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:29:50,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:29:50,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:29:50,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:29:50,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:29:50,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:29:50,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:29:50,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:29:50,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:29:50,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:29:50,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:29:50,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:29:50,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:29:50,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:29:50,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:29:50,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:29:50,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:29:50,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:29:50,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:29:50,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:29:50,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:29:50,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:29:50,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:29:50,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:29:50,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:29:50,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:29:50,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:29:50,067 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:29:50,067 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:29:50,067 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:29:50,067 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:29:50,068 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:29:50,068 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:29:50,068 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:29:50,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:29:50,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:29:50,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:29:50,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:29:50,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:29:50,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:29:50,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:29:50,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:29:50,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:29:50,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:29:50,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:29:50,070 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:29:50,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:29:50,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:29:50,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:29:50,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:29:50,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:29:50,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:29:50,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:29:50,073 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:29:50,073 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_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154c8310ba4c99c97c8e011a942ed9fa1acb3bb0 [2021-10-11 00:29:50,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:29:50,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:29:50,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:29:50,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:29:50,383 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:29:50,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-10-11 00:29:50,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/data/3b59ddddc/e7e0a9069a634e2a980d2c20ac337492/FLAG0632a10c1 [2021-10-11 00:29:50,920 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:29:50,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-10-11 00:29:50,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/data/3b59ddddc/e7e0a9069a634e2a980d2c20ac337492/FLAG0632a10c1 [2021-10-11 00:29:51,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/data/3b59ddddc/e7e0a9069a634e2a980d2c20ac337492 [2021-10-11 00:29:51,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:29:51,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:29:51,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:51,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:29:51,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:29:51,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d1ac15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51, skipping insertion in model container [2021-10-11 00:29:51,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:29:51,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:29:51,675 WARN L226 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_f4f9d223-b674-471b-bcfe-a133626d3287/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2021-10-11 00:29:51,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:51,686 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:29:51,838 WARN L226 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_f4f9d223-b674-471b-bcfe-a133626d3287/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2021-10-11 00:29:51,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:29:51,859 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:29:51,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51 WrapperNode [2021-10-11 00:29:51,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:29:51,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:51,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:29:51,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:29:51,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:29:51,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:29:51,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:29:51,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:29:51,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:51,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:52,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:52,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... [2021-10-11 00:29:52,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:29:52,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:29:52,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:29:52,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:29:52,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:29:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:29:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:29:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:29:52,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:29:52,979 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-11 00:29:52,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52 BoogieIcfgContainer [2021-10-11 00:29:52,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:29:52,982 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:29:52,982 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:29:52,993 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:29:52,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:52,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:29:51" (1/3) ... [2021-10-11 00:29:52,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@630a26aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:52,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:29:51" (2/3) ... [2021-10-11 00:29:52,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@630a26aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:29:52, skipping insertion in model container [2021-10-11 00:29:52,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:29:52,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52" (3/3) ... [2021-10-11 00:29:52,997 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2021-10-11 00:29:53,041 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:29:53,042 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:29:53,042 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:29:53,042 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:29:53,042 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:29:53,042 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:29:53,042 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:29:53,042 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:29:53,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states. [2021-10-11 00:29:53,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-10-11 00:29:53,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:53,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:53,097 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,097 INFO L854 BuchiCegarLoop]: 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] [2021-10-11 00:29:53,097 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:29:53,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states. [2021-10-11 00:29:53,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2021-10-11 00:29:53,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:53,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:53,108 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,109 INFO L854 BuchiCegarLoop]: 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] [2021-10-11 00:29:53,116 INFO L794 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 20#L288true assume !(0 == ~r1~0);init_~tmp~0 := 0; 16#L288-1true init_#res := init_~tmp~0; 24#L453true main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 108#L22true assume 0 == assume_abort_if_not_~cond;assume false; 18#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 80#L529-2true [2021-10-11 00:29:53,117 INFO L796 eck$LassoCheckResult]: Loop: 80#L529-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 14#L84true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 113#L88true assume !(node1_~m1~0 != ~nomsg~0); 111#L88-1true ~mode1~0 := 0; 7#L84-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 77#L119true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 44#L122true assume !(node2_~m2~0 != ~nomsg~0); 58#L122-1true ~mode2~0 := 0; 71#L119-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 26#L153true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 138#L156true assume !(node3_~m3~0 != ~nomsg~0); 137#L156-1true ~mode3~0 := 0; 23#L153-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 98#L187true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 86#L190true assume !(node4_~m4~0 != ~nomsg~0); 85#L190-1true ~mode4~0 := 0; 114#L187-2true havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 50#L221true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 54#L224true assume !(node5_~m5~0 != ~nomsg~0); 53#L224-1true ~mode5~0 := 0; 47#L221-2true havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 17#L255true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 144#L258true assume !(node6_~m6~0 != ~nomsg~0); 143#L258-1true ~mode6~0 := 0; 139#L255-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 29#L461true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 31#L461-1true check_#res := check_~tmp~1; 116#L473true main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 75#L562true assume !(0 == assert_~arg % 256); 48#L557true main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 80#L529-2true [2021-10-11 00:29:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,124 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2021-10-11 00:29:53,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449600770] [2021-10-11 00:29:53,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449600770] [2021-10-11 00:29:53,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:29:53,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912411975] [2021-10-11 00:29:53,354 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:29:53,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,358 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 1 times [2021-10-11 00:29:53,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25129449] [2021-10-11 00:29:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25129449] [2021-10-11 00:29:53,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:53,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522423797] [2021-10-11 00:29:53,572 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:29:53,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:53,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:29:53,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:29:53,594 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2021-10-11 00:29:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:53,641 INFO L93 Difference]: Finished difference Result 144 states and 242 transitions. [2021-10-11 00:29:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:53,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 242 transitions. [2021-10-11 00:29:53,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-11 00:29:53,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 139 states and 237 transitions. [2021-10-11 00:29:53,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-11 00:29:53,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-11 00:29:53,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 237 transitions. [2021-10-11 00:29:53,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:53,668 INFO L692 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-10-11 00:29:53,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 237 transitions. [2021-10-11 00:29:53,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-11 00:29:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 00:29:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 237 transitions. [2021-10-11 00:29:53,714 INFO L715 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-10-11 00:29:53,714 INFO L595 BuchiCegarLoop]: Abstraction has 139 states and 237 transitions. [2021-10-11 00:29:53,714 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:29:53,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 237 transitions. [2021-10-11 00:29:53,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-11 00:29:53,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:53,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:53,724 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:29:53,724 INFO L854 BuchiCegarLoop]: 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] [2021-10-11 00:29:53,725 INFO L794 eck$LassoCheckResult]: Stem: 430#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 326#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 327#L288 assume !(0 == ~r1~0);init_~tmp~0 := 0; 308#L288-1 init_#res := init_~tmp~0; 328#L453 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 340#L22 assume !(0 == assume_abort_if_not_~cond); 331#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 332#L529-2 [2021-10-11 00:29:53,725 INFO L796 eck$LassoCheckResult]: Loop: 332#L529-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 320#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 322#L88 assume !(node1_~m1~0 != ~nomsg~0); 395#L88-1 ~mode1~0 := 0; 310#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 311#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 372#L122 assume !(node2_~m2~0 != ~nomsg~0); 374#L122-1 ~mode2~0 := 0; 319#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 342#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 343#L156 assume !(node3_~m3~0 != ~nomsg~0); 357#L156-1 ~mode3~0 := 0; 338#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 339#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 419#L190 assume !(node4_~m4~0 != ~nomsg~0); 387#L190-1 ~mode4~0 := 0; 413#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 382#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 383#L224 assume !(node5_~m5~0 != ~nomsg~0); 388#L224-1 ~mode5~0 := 0; 300#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 323#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 324#L258 assume !(node6_~m6~0 != ~nomsg~0); 306#L258-1 ~mode6~0 := 0; 428#L255-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 348#L461 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 349#L461-1 check_#res := check_~tmp~1; 351#L473 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 410#L562 assume !(0 == assert_~arg % 256); 379#L557 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 332#L529-2 [2021-10-11 00:29:53,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2021-10-11 00:29:53,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126963910] [2021-10-11 00:29:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126963910] [2021-10-11 00:29:53,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:53,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213817000] [2021-10-11 00:29:53,798 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:29:53,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:53,799 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 2 times [2021-10-11 00:29:53,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:53,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560086287] [2021-10-11 00:29:53,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:53,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560086287] [2021-10-11 00:29:53,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:53,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:53,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139270550] [2021-10-11 00:29:53,941 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:29:53,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:53,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:53,942 INFO L87 Difference]: Start difference. First operand 139 states and 237 transitions. cyclomatic complexity: 99 Second operand 5 states. [2021-10-11 00:29:54,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:54,072 INFO L93 Difference]: Finished difference Result 142 states and 239 transitions. [2021-10-11 00:29:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:54,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 239 transitions. [2021-10-11 00:29:54,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-11 00:29:54,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 196 transitions. [2021-10-11 00:29:54,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-11 00:29:54,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-11 00:29:54,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 196 transitions. [2021-10-11 00:29:54,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:54,090 INFO L692 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-10-11 00:29:54,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 196 transitions. [2021-10-11 00:29:54,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-11 00:29:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 00:29:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 196 transitions. [2021-10-11 00:29:54,101 INFO L715 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-10-11 00:29:54,101 INFO L595 BuchiCegarLoop]: Abstraction has 139 states and 196 transitions. [2021-10-11 00:29:54,101 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:29:54,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 196 transitions. [2021-10-11 00:29:54,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-11 00:29:54,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:54,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:54,109 INFO L853 BuchiCegarLoop]: 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] [2021-10-11 00:29:54,110 INFO L854 BuchiCegarLoop]: 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] [2021-10-11 00:29:54,116 INFO L794 eck$LassoCheckResult]: Stem: 726#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 621#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 622#L288 assume 0 == ~r1~0; 629#L289 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 686#L290 assume ~id1~0 >= 0; 687#L291 assume 0 == ~st1~0; 722#L292 assume ~send1~0 == ~id1~0; 642#L293 assume 0 == ~mode1~0 % 256; 643#L294 assume ~id2~0 >= 0; 697#L295 assume 0 == ~st2~0; 611#L296 assume ~send2~0 == ~id2~0; 612#L297 assume 0 == ~mode2~0 % 256; 703#L298 assume ~id3~0 >= 0; 632#L299 assume 0 == ~st3~0; 633#L300 assume ~send3~0 == ~id3~0; 688#L301 assume 0 == ~mode3~0 % 256; 689#L302 assume ~id4~0 >= 0; 711#L303 assume 0 == ~st4~0; 663#L304 assume ~send4~0 == ~id4~0; 664#L305 assume 0 == ~mode4~0 % 256; 707#L306 assume ~id5~0 >= 0; 630#L307 assume 0 == ~st5~0; 631#L308 assume ~send5~0 == ~id5~0; 699#L309 assume 0 == ~mode5~0 % 256; 607#L310 assume ~id6~0 >= 0; 608#L311 assume 0 == ~st6~0; 673#L312 assume ~send6~0 == ~id6~0; 674#L313 assume 0 == ~mode6~0 % 256; 721#L314 assume ~id1~0 != ~id2~0; 661#L315 assume ~id1~0 != ~id3~0; 662#L316 assume ~id1~0 != ~id4~0; 705#L317 assume ~id1~0 != ~id5~0; 625#L318 assume ~id1~0 != ~id6~0; 626#L319 assume ~id2~0 != ~id3~0; 698#L320 assume ~id2~0 != ~id4~0; 605#L321 assume ~id2~0 != ~id5~0; 606#L322 assume ~id2~0 != ~id6~0; 671#L323 assume ~id3~0 != ~id4~0; 672#L324 assume ~id3~0 != ~id5~0; 720#L325 assume ~id3~0 != ~id6~0; 659#L326 assume ~id4~0 != ~id5~0; 660#L327 assume ~id4~0 != ~id6~0; 704#L328 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 623#L288-1 init_#res := init_~tmp~0; 624#L453 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 637#L22 assume !(0 == assume_abort_if_not_~cond); 627#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 628#L529-2 [2021-10-11 00:29:54,117 INFO L796 eck$LassoCheckResult]: Loop: 628#L529-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 615#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 617#L88 assume !(node1_~m1~0 != ~nomsg~0); 691#L88-1 ~mode1~0 := 0; 603#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 604#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 668#L122 assume !(node2_~m2~0 != ~nomsg~0); 670#L122-1 ~mode2~0 := 0; 614#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 638#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 639#L156 assume !(node3_~m3~0 != ~nomsg~0); 653#L156-1 ~mode3~0 := 0; 634#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 635#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 715#L190 assume !(node4_~m4~0 != ~nomsg~0); 683#L190-1 ~mode4~0 := 0; 709#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 678#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 679#L224 assume !(node5_~m5~0 != ~nomsg~0); 684#L224-1 ~mode5~0 := 0; 596#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 618#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 619#L258 assume !(node6_~m6~0 != ~nomsg~0); 602#L258-1 ~mode6~0 := 0; 724#L255-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 644#L461 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 645#L461-1 check_#res := check_~tmp~1; 647#L473 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 706#L562 assume !(0 == assert_~arg % 256); 675#L557 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 628#L529-2 [2021-10-11 00:29:54,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:54,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2021-10-11 00:29:54,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:54,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305254780] [2021-10-11 00:29:54,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:54,182 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:54,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:54,307 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:54,309 INFO L82 PathProgramCache]: Analyzing trace with hash -373862285, now seen corresponding path program 3 times [2021-10-11 00:29:54,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:54,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450598565] [2021-10-11 00:29:54,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:54,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450598565] [2021-10-11 00:29:54,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:54,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:29:54,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522689521] [2021-10-11 00:29:54,445 INFO L811 eck$LassoCheckResult]: loop already infeasible [2021-10-11 00:29:54,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:54,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:29:54,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:29:54,447 INFO L87 Difference]: Start difference. First operand 139 states and 196 transitions. cyclomatic complexity: 58 Second operand 5 states. [2021-10-11 00:29:54,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:54,500 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-10-11 00:29:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:29:54,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-10-11 00:29:54,503 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-11 00:29:54,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 139 states and 194 transitions. [2021-10-11 00:29:54,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 139 [2021-10-11 00:29:54,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 139 [2021-10-11 00:29:54,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 139 states and 194 transitions. [2021-10-11 00:29:54,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:54,511 INFO L692 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-10-11 00:29:54,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states and 194 transitions. [2021-10-11 00:29:54,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-11 00:29:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 00:29:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 194 transitions. [2021-10-11 00:29:54,533 INFO L715 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-10-11 00:29:54,533 INFO L595 BuchiCegarLoop]: Abstraction has 139 states and 194 transitions. [2021-10-11 00:29:54,534 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:29:54,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 194 transitions. [2021-10-11 00:29:54,535 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2021-10-11 00:29:54,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:29:54,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:29:54,536 INFO L853 BuchiCegarLoop]: 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] [2021-10-11 00:29:54,537 INFO L854 BuchiCegarLoop]: 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] [2021-10-11 00:29:54,537 INFO L794 eck$LassoCheckResult]: Stem: 1019#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(48);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 0; 916#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~ret50, main_#t~ret51, main_#t~post52, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id1~0 := main_#t~nondet20;havoc main_#t~nondet20;~st1~0 := main_#t~nondet21;havoc main_#t~nondet21;~send1~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode1~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive1~0 := main_#t~nondet24;havoc main_#t~nondet24;~id2~0 := main_#t~nondet25;havoc main_#t~nondet25;~st2~0 := main_#t~nondet26;havoc main_#t~nondet26;~send2~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode2~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive2~0 := main_#t~nondet29;havoc main_#t~nondet29;~id3~0 := main_#t~nondet30;havoc main_#t~nondet30;~st3~0 := main_#t~nondet31;havoc main_#t~nondet31;~send3~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode3~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive3~0 := main_#t~nondet34;havoc main_#t~nondet34;~id4~0 := main_#t~nondet35;havoc main_#t~nondet35;~st4~0 := main_#t~nondet36;havoc main_#t~nondet36;~send4~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode4~0 := main_#t~nondet38;havoc main_#t~nondet38;~alive4~0 := main_#t~nondet39;havoc main_#t~nondet39;~id5~0 := main_#t~nondet40;havoc main_#t~nondet40;~st5~0 := main_#t~nondet41;havoc main_#t~nondet41;~send5~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode5~0 := main_#t~nondet43;havoc main_#t~nondet43;~alive5~0 := main_#t~nondet44;havoc main_#t~nondet44;~id6~0 := main_#t~nondet45;havoc main_#t~nondet45;~st6~0 := main_#t~nondet46;havoc main_#t~nondet46;~send6~0 := main_#t~nondet47;havoc main_#t~nondet47;~mode6~0 := main_#t~nondet48;havoc main_#t~nondet48;~alive6~0 := main_#t~nondet49;havoc main_#t~nondet49;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 917#L288 assume 0 == ~r1~0; 922#L289 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 979#L290 assume ~id1~0 >= 0; 980#L291 assume 0 == ~st1~0; 1015#L292 assume ~send1~0 == ~id1~0; 935#L293 assume 0 == ~mode1~0 % 256; 936#L294 assume ~id2~0 >= 0; 990#L295 assume 0 == ~st2~0; 904#L296 assume ~send2~0 == ~id2~0; 905#L297 assume 0 == ~mode2~0 % 256; 996#L298 assume ~id3~0 >= 0; 925#L299 assume 0 == ~st3~0; 926#L300 assume ~send3~0 == ~id3~0; 981#L301 assume 0 == ~mode3~0 % 256; 982#L302 assume ~id4~0 >= 0; 1004#L303 assume 0 == ~st4~0; 956#L304 assume ~send4~0 == ~id4~0; 957#L305 assume 0 == ~mode4~0 % 256; 1000#L306 assume ~id5~0 >= 0; 923#L307 assume 0 == ~st5~0; 924#L308 assume ~send5~0 == ~id5~0; 992#L309 assume 0 == ~mode5~0 % 256; 900#L310 assume ~id6~0 >= 0; 901#L311 assume 0 == ~st6~0; 966#L312 assume ~send6~0 == ~id6~0; 967#L313 assume 0 == ~mode6~0 % 256; 1014#L314 assume ~id1~0 != ~id2~0; 954#L315 assume ~id1~0 != ~id3~0; 955#L316 assume ~id1~0 != ~id4~0; 998#L317 assume ~id1~0 != ~id5~0; 918#L318 assume ~id1~0 != ~id6~0; 919#L319 assume ~id2~0 != ~id3~0; 991#L320 assume ~id2~0 != ~id4~0; 896#L321 assume ~id2~0 != ~id5~0; 897#L322 assume ~id2~0 != ~id6~0; 964#L323 assume ~id3~0 != ~id4~0; 965#L324 assume ~id3~0 != ~id5~0; 1013#L325 assume ~id3~0 != ~id6~0; 951#L326 assume ~id4~0 != ~id5~0; 952#L327 assume ~id4~0 != ~id6~0; 997#L328 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 911#L288-1 init_#res := init_~tmp~0; 912#L453 main_#t~ret50 := init_#res;main_~i2~0 := main_#t~ret50;havoc main_#t~ret50;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 929#L22 assume !(0 == assume_abort_if_not_~cond); 920#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 921#L529-2 [2021-10-11 00:29:54,537 INFO L796 eck$LassoCheckResult]: Loop: 921#L529-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 908#L84 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 910#L88 assume !(node1_~m1~0 != ~nomsg~0); 984#L88-1 ~mode1~0 := 0; 898#L84-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 899#L119 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 961#L122 assume !(node2_~m2~0 != ~nomsg~0); 963#L122-1 ~mode2~0 := 0; 907#L119-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 931#L153 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 932#L156 assume !(node3_~m3~0 != ~nomsg~0); 946#L156-1 ~mode3~0 := 0; 927#L153-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 928#L187 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1008#L190 assume !(node4_~m4~0 != ~nomsg~0); 976#L190-1 ~mode4~0 := 0; 1002#L187-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 971#L221 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 972#L224 assume !(node5_~m5~0 != ~nomsg~0); 977#L224-1 ~mode5~0 := 0; 889#L221-2 havoc node6_#t~ite17, node6_#t~ite18, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 913#L255 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 914#L258 assume !(node6_~m6~0 != ~nomsg~0); 895#L258-1 ~mode6~0 := 0; 1017#L255-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 937#L461 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 938#L462 assume ~r1~0 < 6;check_~tmp~1 := 1; 940#L461-1 check_#res := check_~tmp~1; 941#L473 main_#t~ret51 := check_#res;main_~c1~0 := main_#t~ret51;havoc main_#t~ret51;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 999#L562 assume !(0 == assert_~arg % 256); 968#L557 main_#t~post52 := main_~i2~0;main_~i2~0 := 1 + main_#t~post52;havoc main_#t~post52; 921#L529-2 [2021-10-11 00:29:54,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:54,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2021-10-11 00:29:54,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:54,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270786408] [2021-10-11 00:29:54,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:54,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:54,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:54,599 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:54,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:54,600 INFO L82 PathProgramCache]: Analyzing trace with hash 911844111, now seen corresponding path program 1 times [2021-10-11 00:29:54,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:54,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002946347] [2021-10-11 00:29:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:54,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:29:54,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:29:54,627 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:29:54,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:54,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1786874990, now seen corresponding path program 1 times [2021-10-11 00:29:54,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:29:54,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257725792] [2021-10-11 00:29:54,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:29:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:54,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:54,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257725792] [2021-10-11 00:29:54,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:29:54,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:29:54,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609816876] [2021-10-11 00:29:55,319 WARN L197 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2021-10-11 00:29:55,874 WARN L197 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 132 [2021-10-11 00:29:55,887 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:29:55,888 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:29:55,888 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:29:55,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:29:55,888 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:29:55,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:55,889 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:29:55,889 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:29:55,889 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-11 00:29:55,889 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:29:55,889 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:29:55,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:55,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:56,523 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-10-11 00:29:56,985 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-10-11 00:29:57,078 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:29:57,079 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:57,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:29:57,092 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:57,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:29:57,140 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:29:57,306 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:29:57,313 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:29:57,313 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:29:57,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:29:57,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:29:57,313 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:29:57,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:57,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:29:57,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:29:57,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-10-11 00:29:57,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:29:57,316 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:29:57,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:57,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:29:58,090 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-10-11 00:29:58,527 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-10-11 00:29:58,532 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:29:58,537 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,566 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,610 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,889 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:29:58,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,892 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:29:58,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:58,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:58,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:58,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:58,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:58,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:58,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:58,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:58,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:58,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:59,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:59,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:59,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:59,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:59,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:59,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:59,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:59,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:59,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:59,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:59,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:59,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:59,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:59,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:59,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:59,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:59,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:59,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:59,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:59,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:59,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:59,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:59,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:59,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:59,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:59,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:59,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:59,167 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:59,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:29:59,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:29:59,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:29:59,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:29:59,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:29:59,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:29:59,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:29:59,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:29:59,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:29:59,216 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:29:59,216 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4f9d223-b674-471b-bcfe-a133626d3287/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:29:59,289 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:29:59,289 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:29:59,289 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:29:59,290 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:29:59,344 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:29:59,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:29:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:59,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:29:59,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:29:59,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:29:59,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:29:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:29:59,683 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-11 00:29:59,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56 Second operand 3 states. [2021-10-11 00:29:59,734 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 139 states and 194 transitions. cyclomatic complexity: 56. Second operand 3 states. Result 231 states and 342 transitions. Complement of second has 4 states. [2021-10-11 00:29:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-11 00:29:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:29:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2021-10-11 00:29:59,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 31 letters. [2021-10-11 00:29:59,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:59,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 78 letters. Loop has 31 letters. [2021-10-11 00:29:59,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:59,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 194 transitions. Stem has 47 letters. Loop has 62 letters. [2021-10-11 00:29:59,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:29:59,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 342 transitions. [2021-10-11 00:29:59,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:29:59,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 0 states and 0 transitions. [2021-10-11 00:29:59,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:29:59,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:29:59,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:29:59,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:59,745 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:59,745 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:59,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:29:59,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:29:59,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:29:59,746 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:29:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:29:59,746 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:29:59,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:29:59,747 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:29:59,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:29:59,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:29:59,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:29:59,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:29:59,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:29:59,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:29:59,747 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:59,748 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:59,748 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:29:59,748 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-11 00:29:59,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:29:59,748 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:29:59,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:29:59,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:29:59 BoogieIcfgContainer [2021-10-11 00:29:59,754 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:29:59,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:29:59,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:29:59,754 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:29:59,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:29:52" (3/4) ... [2021-10-11 00:29:59,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:29:59,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:29:59,759 INFO L168 Benchmark]: Toolchain (without parser) took 8471.70 ms. Allocated memory was 98.6 MB in the beginning and 192.9 MB in the end (delta: 94.4 MB). Free memory was 57.9 MB in the beginning and 126.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:59,760 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory was 76.1 MB in the beginning and 76.0 MB in the end (delta: 111.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:59,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.97 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 93.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:59,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.70 ms. Allocated memory is still 119.5 MB. Free memory was 93.7 MB in the beginning and 90.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:59,762 INFO L168 Benchmark]: Boogie Preprocessor took 71.48 ms. Allocated memory is still 119.5 MB. Free memory was 90.9 MB in the beginning and 88.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:59,762 INFO L168 Benchmark]: RCFGBuilder took 952.68 ms. Allocated memory is still 119.5 MB. Free memory was 88.3 MB in the beginning and 77.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:59,763 INFO L168 Benchmark]: BuchiAutomizer took 6771.77 ms. Allocated memory was 119.5 MB in the beginning and 192.9 MB in the end (delta: 73.4 MB). Free memory was 77.7 MB in the beginning and 126.4 MB in the end (delta: -48.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:29:59,763 INFO L168 Benchmark]: Witness Printer took 4.08 ms. Allocated memory is still 192.9 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:29:59,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory was 76.1 MB in the beginning and 76.0 MB in the end (delta: 111.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.97 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 57.7 MB in the beginning and 93.7 MB in the end (delta: -36.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.70 ms. Allocated memory is still 119.5 MB. Free memory was 93.7 MB in the beginning and 90.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.48 ms. Allocated memory is still 119.5 MB. Free memory was 90.9 MB in the beginning and 88.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 952.68 ms. Allocated memory is still 119.5 MB. Free memory was 88.3 MB in the beginning and 77.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6771.77 ms. Allocated memory was 119.5 MB in the beginning and 192.9 MB in the end (delta: 73.4 MB). Free memory was 77.7 MB in the beginning and 126.4 MB in the end (delta: -48.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.08 ms. Allocated memory is still 192.9 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 863 SDtfs, 197 SDslu, 1382 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax100 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...