./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -s /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer --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 a1bee8f90a51995308bcbd8ad4799b8f1188ad74 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:01:00,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:01:00,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:01:00,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:01:00,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:01:00,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:01:00,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:01:00,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:01:00,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:01:00,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:01:00,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:01:00,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:01:00,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:01:00,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:01:00,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:01:00,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:01:00,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:01:00,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:01:00,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:01:00,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:01:00,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:01:00,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:01:00,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:01:00,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:01:00,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:01:00,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:01:00,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:01:00,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:01:00,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:01:00,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:01:00,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:01:00,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:01:00,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:01:00,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:01:00,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:01:00,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:01:00,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:01:00,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:01:00,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:01:00,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:01:00,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:01:00,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:01:00,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:01:00,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:01:00,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:01:00,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:01:00,290 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:01:00,291 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:01:00,291 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:01:00,291 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:01:00,291 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:01:00,291 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:01:00,293 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:01:00,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:01:00,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:01:00,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:01:00,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:01:00,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:01:00,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:01:00,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:01:00,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:01:00,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:01:00,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:01:00,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:01:00,295 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:01:00,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:01:00,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:01:00,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:01:00,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:01:00,297 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:01:00,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:01:00,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:01:00,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:01:00,299 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:01:00,301 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:01:00,301 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-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bee8f90a51995308bcbd8ad4799b8f1188ad74 [2020-11-28 03:01:00,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:01:00,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:01:00,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:01:00,594 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:01:00,597 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:01:00,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-11-28 03:01:00,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/data/d88fdc3f8/3f2ca1cf557743cfbe67684c24316ece/FLAGd52feff88 [2020-11-28 03:01:01,179 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:01:01,180 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-11-28 03:01:01,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/data/d88fdc3f8/3f2ca1cf557743cfbe67684c24316ece/FLAGd52feff88 [2020-11-28 03:01:01,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/data/d88fdc3f8/3f2ca1cf557743cfbe67684c24316ece [2020-11-28 03:01:01,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:01:01,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:01:01,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:01,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:01:01,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:01:01,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:01,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d60e45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01, skipping insertion in model container [2020-11-28 03:01:01,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:01,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:01:01,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:01,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:01,877 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:01:01,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:01,965 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:01:01,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01 WrapperNode [2020-11-28 03:01:01,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:01,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:01,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:01:01,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:01:01,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:01,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:02,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:01:02,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:01:02,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:01:02,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... [2020-11-28 03:01:02,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:01:02,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:01:02,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:01:02,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:01:02,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:01:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:01:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:01:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:01:03,040 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:01:03,043 INFO L298 CfgBuilder]: Removed 29 assume(true) statements. [2020-11-28 03:01:03,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:03 BoogieIcfgContainer [2020-11-28 03:01:03,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:01:03,046 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:01:03,046 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:01:03,057 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:01:03,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:01:03,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:01" (1/3) ... [2020-11-28 03:01:03,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7173ad6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:03, skipping insertion in model container [2020-11-28 03:01:03,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:01:03,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:01" (2/3) ... [2020-11-28 03:01:03,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7173ad6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:03, skipping insertion in model container [2020-11-28 03:01:03,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:01:03,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:03" (3/3) ... [2020-11-28 03:01:03,064 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2020-11-28 03:01:03,139 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:01:03,139 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:01:03,139 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:01:03,139 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:01:03,139 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:01:03,140 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:01:03,140 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:01:03,140 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:01:03,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states. [2020-11-28 03:01:03,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2020-11-28 03:01:03,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:03,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:03,225 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:03,225 INFO L853 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, 1, 1, 1] [2020-11-28 03:01:03,225 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:01:03,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 128 states. [2020-11-28 03:01:03,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 68 [2020-11-28 03:01:03,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:03,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:03,247 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:03,248 INFO L853 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, 1, 1, 1] [2020-11-28 03:01:03,256 INFO L794 eck$LassoCheckResult]: Stem: 95#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(35);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset]; 9#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 88#L264true assume !(0 == ~r1~0);init_~tmp~0 := 0; 86#L264-1true init_#res := init_~tmp~0; 101#L465true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 97#L22true assume !(0 == assume_abort_if_not_~cond); 12#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 22#L549-2true [2020-11-28 03:01:03,257 INFO L796 eck$LassoCheckResult]: Loop: 22#L549-2true assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 111#L85true assume !(0 != ~mode1~0 % 256); 120#L101true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 128#L101-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 89#L85-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 69#L113true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 56#L116true assume !(node2_~m2~0 != ~nomsg~0); 54#L116-1true ~mode2~0 := 0; 66#L113-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 73#L138true assume !(0 != ~mode3~0 % 256); 113#L151true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 112#L151-2true ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 52#L138-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 63#L163true assume !(0 != ~mode4~0 % 256); 82#L176true assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite10 := ~p4_new~0; 102#L176-2true ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 59#L163-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 36#L188true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 39#L191true assume !(node5_~m5~0 != ~nomsg~0); 25#L191-1true ~mode5~0 := 0; 32#L188-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 40#L213true assume !(0 != ~mode6~0 % 256); 76#L226true assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 74#L226-2true ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 24#L213-2true havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 31#L238true assume !(0 != ~mode7~0 % 256); 48#L251true assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 64#L251-2true ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 27#L238-2true ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 103#L473true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1 := 0; 106#L473-1true check_#res := check_~tmp~1; 68#L493true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 11#L585true assume !(0 == assert_~arg % 256); 117#L580true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 22#L549-2true [2020-11-28 03:01:03,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:03,263 INFO L82 PathProgramCache]: Analyzing trace with hash 2087378158, now seen corresponding path program 1 times [2020-11-28 03:01:03,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:03,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263636935] [2020-11-28 03:01:03,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:03,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263636935] [2020-11-28 03:01:03,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:03,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:03,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230222009] [2020-11-28 03:01:03,607 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:01:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:03,611 INFO L82 PathProgramCache]: Analyzing trace with hash -147283696, now seen corresponding path program 1 times [2020-11-28 03:01:03,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:03,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001642522] [2020-11-28 03:01:03,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:03,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001642522] [2020-11-28 03:01:03,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:03,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:03,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637818521] [2020-11-28 03:01:03,835 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:01:03,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:03,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:03,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:03,853 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 5 states. [2020-11-28 03:01:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:04,065 INFO L93 Difference]: Finished difference Result 130 states and 219 transitions. [2020-11-28 03:01:04,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:04,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 219 transitions. [2020-11-28 03:01:04,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-28 03:01:04,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 122 states and 162 transitions. [2020-11-28 03:01:04,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2020-11-28 03:01:04,079 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2020-11-28 03:01:04,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 162 transitions. [2020-11-28 03:01:04,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:01:04,082 INFO L691 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2020-11-28 03:01:04,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 162 transitions. [2020-11-28 03:01:04,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-28 03:01:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-28 03:01:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 162 transitions. [2020-11-28 03:01:04,116 INFO L714 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2020-11-28 03:01:04,116 INFO L594 BuchiCegarLoop]: Abstraction has 122 states and 162 transitions. [2020-11-28 03:01:04,116 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:01:04,116 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 162 transitions. [2020-11-28 03:01:04,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-28 03:01:04,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:04,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:04,125 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,125 INFO L853 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, 1, 1, 1] [2020-11-28 03:01:04,126 INFO L794 eck$LassoCheckResult]: Stem: 389#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(35);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset]; 288#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 289#L264 assume 0 == ~r1~0; 338#L265 assume ~id1~0 >= 0; 292#L266 assume 0 == ~st1~0; 293#L267 assume ~send1~0 == ~id1~0; 345#L268 assume 0 == ~mode1~0 % 256; 346#L269 assume ~id2~0 >= 0; 381#L270 assume 0 == ~st2~0; 309#L271 assume ~send2~0 == ~id2~0; 310#L272 assume 0 == ~mode2~0 % 256; 358#L273 assume ~id3~0 >= 0; 280#L274 assume 0 == ~st3~0; 281#L275 assume ~send3~0 == ~id3~0; 339#L276 assume 0 == ~mode3~0 % 256; 294#L277 assume ~id4~0 >= 0; 295#L278 assume 0 == ~st4~0; 347#L279 assume ~send4~0 == ~id4~0; 348#L280 assume 0 == ~mode4~0 % 256; 382#L281 assume ~id5~0 >= 0; 311#L282 assume 0 == ~st5~0; 312#L283 assume ~send5~0 == ~id5~0; 359#L284 assume 0 == ~mode5~0 % 256; 282#L285 assume ~id6~0 >= 0; 283#L286 assume 0 == ~st6~0; 366#L287 assume ~send6~0 == ~id6~0; 298#L288 assume 0 == ~mode6~0 % 256; 299#L289 assume ~id7~0 >= 0; 349#L290 assume 0 == ~st7~0; 350#L291 assume ~send7~0 == ~id7~0; 383#L292 assume 0 == ~mode7~0 % 256; 313#L293 assume ~id1~0 != ~id2~0; 314#L294 assume ~id1~0 != ~id3~0; 360#L295 assume ~id1~0 != ~id4~0; 286#L296 assume ~id1~0 != ~id5~0; 287#L297 assume ~id1~0 != ~id6~0; 367#L298 assume ~id1~0 != ~id7~0; 302#L299 assume ~id2~0 != ~id3~0; 303#L300 assume ~id2~0 != ~id4~0; 351#L301 assume ~id2~0 != ~id5~0; 352#L302 assume ~id2~0 != ~id6~0; 372#L303 assume ~id2~0 != ~id7~0; 325#L304 assume ~id3~0 != ~id4~0; 326#L305 assume ~id3~0 != ~id5~0; 368#L306 assume ~id3~0 != ~id6~0; 300#L307 assume ~id3~0 != ~id7~0; 301#L308 assume ~id4~0 != ~id5~0; 364#L309 assume ~id4~0 != ~id6~0; 284#L310 assume ~id4~0 != ~id7~0; 285#L311 assume ~id5~0 != ~id6~0; 331#L312 assume ~id5~0 != ~id7~0; 332#L313 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 386#L264-1 init_#res := init_~tmp~0; 387#L465 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 390#L22 assume !(0 == assume_abort_if_not_~cond); 296#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 297#L549-2 [2020-11-28 03:01:04,127 INFO L796 eck$LassoCheckResult]: Loop: 297#L549-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 315#L85 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 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 355#L89 assume !(node1_~m1~0 != ~nomsg~0); 353#L89-1 ~mode1~0 := 0; 354#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 376#L113 assume !(0 != ~mode2~0 % 256); 377#L126 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 391#L126-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 363#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 373#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 369#L141 assume !(node3_~m3~0 != ~nomsg~0); 307#L141-1 ~mode3~0 := 0; 361#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 362#L163 assume !(0 != ~mode4~0 % 256); 370#L176 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite10 := ~p4_new~0; 384#L176-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 330#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 335#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 336#L191 assume !(node5_~m5~0 != ~nomsg~0); 318#L191-1 ~mode5~0 := 0; 319#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 328#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 323#L216 assume !(node6_~m6~0 != ~nomsg~0); 322#L216-1 ~mode6~0 := 0; 316#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 317#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 278#L241 assume !(node7_~m7~0 != ~nomsg~0); 276#L241-1 ~mode7~0 := 0; 277#L238-2 ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 321#L473 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1);check_~tmp~1 := 0; 343#L473-1 check_#res := check_~tmp~1; 374#L493 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 290#L585 assume !(0 == assert_~arg % 256); 291#L580 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 297#L549-2 [2020-11-28 03:01:04,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,127 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 1 times [2020-11-28 03:01:04,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508717088] [2020-11-28 03:01:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,275 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,337 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1348546734, now seen corresponding path program 1 times [2020-11-28 03:01:04,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117635802] [2020-11-28 03:01:04,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:04,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117635802] [2020-11-28 03:01:04,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:04,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:01:04,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628016417] [2020-11-28 03:01:04,445 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:01:04,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:04,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:01:04,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:04,446 INFO L87 Difference]: Start difference. First operand 122 states and 162 transitions. cyclomatic complexity: 41 Second operand 5 states. [2020-11-28 03:01:04,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:04,522 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2020-11-28 03:01:04,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:04,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 125 states and 164 transitions. [2020-11-28 03:01:04,526 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-28 03:01:04,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 125 states to 122 states and 159 transitions. [2020-11-28 03:01:04,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 122 [2020-11-28 03:01:04,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 122 [2020-11-28 03:01:04,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 159 transitions. [2020-11-28 03:01:04,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:01:04,530 INFO L691 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2020-11-28 03:01:04,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 159 transitions. [2020-11-28 03:01:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-11-28 03:01:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-28 03:01:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2020-11-28 03:01:04,547 INFO L714 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2020-11-28 03:01:04,547 INFO L594 BuchiCegarLoop]: Abstraction has 122 states and 159 transitions. [2020-11-28 03:01:04,547 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:01:04,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 159 transitions. [2020-11-28 03:01:04,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 66 [2020-11-28 03:01:04,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:04,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:04,556 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,556 INFO L853 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, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,556 INFO L794 eck$LassoCheckResult]: Stem: 648#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(35);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset]; 547#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 548#L264 assume 0 == ~r1~0; 597#L265 assume ~id1~0 >= 0; 551#L266 assume 0 == ~st1~0; 552#L267 assume ~send1~0 == ~id1~0; 603#L268 assume 0 == ~mode1~0 % 256; 604#L269 assume ~id2~0 >= 0; 640#L270 assume 0 == ~st2~0; 568#L271 assume ~send2~0 == ~id2~0; 569#L272 assume 0 == ~mode2~0 % 256; 616#L273 assume ~id3~0 >= 0; 539#L274 assume 0 == ~st3~0; 540#L275 assume ~send3~0 == ~id3~0; 598#L276 assume 0 == ~mode3~0 % 256; 553#L277 assume ~id4~0 >= 0; 554#L278 assume 0 == ~st4~0; 605#L279 assume ~send4~0 == ~id4~0; 606#L280 assume 0 == ~mode4~0 % 256; 641#L281 assume ~id5~0 >= 0; 570#L282 assume 0 == ~st5~0; 571#L283 assume ~send5~0 == ~id5~0; 617#L284 assume 0 == ~mode5~0 % 256; 541#L285 assume ~id6~0 >= 0; 542#L286 assume 0 == ~st6~0; 624#L287 assume ~send6~0 == ~id6~0; 557#L288 assume 0 == ~mode6~0 % 256; 558#L289 assume ~id7~0 >= 0; 607#L290 assume 0 == ~st7~0; 608#L291 assume ~send7~0 == ~id7~0; 642#L292 assume 0 == ~mode7~0 % 256; 572#L293 assume ~id1~0 != ~id2~0; 573#L294 assume ~id1~0 != ~id3~0; 618#L295 assume ~id1~0 != ~id4~0; 545#L296 assume ~id1~0 != ~id5~0; 546#L297 assume ~id1~0 != ~id6~0; 625#L298 assume ~id1~0 != ~id7~0; 561#L299 assume ~id2~0 != ~id3~0; 562#L300 assume ~id2~0 != ~id4~0; 609#L301 assume ~id2~0 != ~id5~0; 610#L302 assume ~id2~0 != ~id6~0; 630#L303 assume ~id2~0 != ~id7~0; 584#L304 assume ~id3~0 != ~id4~0; 585#L305 assume ~id3~0 != ~id5~0; 626#L306 assume ~id3~0 != ~id6~0; 559#L307 assume ~id3~0 != ~id7~0; 560#L308 assume ~id4~0 != ~id5~0; 622#L309 assume ~id4~0 != ~id6~0; 543#L310 assume ~id4~0 != ~id7~0; 544#L311 assume ~id5~0 != ~id6~0; 590#L312 assume ~id5~0 != ~id7~0; 591#L313 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 645#L264-1 init_#res := init_~tmp~0; 646#L465 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 649#L22 assume !(0 == assume_abort_if_not_~cond); 555#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 556#L549-2 [2020-11-28 03:01:04,557 INFO L796 eck$LassoCheckResult]: Loop: 556#L549-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 574#L85 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 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 613#L89 assume !(node1_~m1~0 != ~nomsg~0); 611#L89-1 ~mode1~0 := 0; 612#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 635#L113 assume !(0 != ~mode2~0 % 256); 636#L126 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 650#L126-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 621#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 631#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 627#L141 assume !(node3_~m3~0 != ~nomsg~0); 566#L141-1 ~mode3~0 := 0; 619#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 620#L163 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 592#L166 assume !(node4_~m4~0 != ~nomsg~0); 588#L166-1 ~mode4~0 := 0; 589#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 594#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 595#L191 assume !(node5_~m5~0 != ~nomsg~0); 577#L191-1 ~mode5~0 := 0; 578#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 587#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 582#L216 assume !(node6_~m6~0 != ~nomsg~0); 581#L216-1 ~mode6~0 := 0; 575#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 576#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 537#L241 assume !(node7_~m7~0 != ~nomsg~0); 535#L241-1 ~mode7~0 := 0; 536#L238-2 ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 580#L473 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 629#L474 assume ~r1~0 >= 7; 602#L478 assume ~r1~0 < 7;check_~tmp~1 := 1; 634#L473-1 check_#res := check_~tmp~1; 632#L493 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 549#L585 assume !(0 == assert_~arg % 256); 550#L580 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 556#L549-2 [2020-11-28 03:01:04,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,558 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 2 times [2020-11-28 03:01:04,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719075069] [2020-11-28 03:01:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,650 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,733 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:04,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1887374314, now seen corresponding path program 1 times [2020-11-28 03:01:04,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91729109] [2020-11-28 03:01:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:04,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91729109] [2020-11-28 03:01:04,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:04,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:04,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524596739] [2020-11-28 03:01:04,787 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:01:04,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:04,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:04,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:04,789 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. cyclomatic complexity: 38 Second operand 3 states. [2020-11-28 03:01:04,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:04,838 INFO L93 Difference]: Finished difference Result 182 states and 251 transitions. [2020-11-28 03:01:04,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:04,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 251 transitions. [2020-11-28 03:01:04,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2020-11-28 03:01:04,844 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 182 states and 251 transitions. [2020-11-28 03:01:04,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2020-11-28 03:01:04,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 182 [2020-11-28 03:01:04,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 182 states and 251 transitions. [2020-11-28 03:01:04,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:01:04,854 INFO L691 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2020-11-28 03:01:04,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states and 251 transitions. [2020-11-28 03:01:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2020-11-28 03:01:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-28 03:01:04,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2020-11-28 03:01:04,875 INFO L714 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2020-11-28 03:01:04,876 INFO L594 BuchiCegarLoop]: Abstraction has 182 states and 251 transitions. [2020-11-28 03:01:04,876 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:01:04,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states and 251 transitions. [2020-11-28 03:01:04,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 126 [2020-11-28 03:01:04,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:01:04,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:01:04,883 INFO L852 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,884 INFO L853 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, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:04,885 INFO L794 eck$LassoCheckResult]: Stem: 963#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(35);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset]; 857#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, 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~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id1~0 := main_#t~nondet15;havoc main_#t~nondet15;~st1~0 := main_#t~nondet16;havoc main_#t~nondet16;~send1~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id2~0 := main_#t~nondet19;havoc main_#t~nondet19;~st2~0 := main_#t~nondet20;havoc main_#t~nondet20;~send2~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode2~0 := main_#t~nondet22;havoc main_#t~nondet22;~id3~0 := main_#t~nondet23;havoc main_#t~nondet23;~st3~0 := main_#t~nondet24;havoc main_#t~nondet24;~send3~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode3~0 := main_#t~nondet26;havoc main_#t~nondet26;~id4~0 := main_#t~nondet27;havoc main_#t~nondet27;~st4~0 := main_#t~nondet28;havoc main_#t~nondet28;~send4~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode4~0 := main_#t~nondet30;havoc main_#t~nondet30;~id5~0 := main_#t~nondet31;havoc main_#t~nondet31;~st5~0 := main_#t~nondet32;havoc main_#t~nondet32;~send5~0 := main_#t~nondet33;havoc main_#t~nondet33;~mode5~0 := main_#t~nondet34;havoc main_#t~nondet34;~id6~0 := main_#t~nondet35;havoc main_#t~nondet35;~st6~0 := main_#t~nondet36;havoc main_#t~nondet36;~send6~0 := main_#t~nondet37;havoc main_#t~nondet37;~mode6~0 := main_#t~nondet38;havoc main_#t~nondet38;~id7~0 := main_#t~nondet39;havoc main_#t~nondet39;~st7~0 := main_#t~nondet40;havoc main_#t~nondet40;~send7~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode7~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 858#L264 assume 0 == ~r1~0; 908#L265 assume ~id1~0 >= 0; 861#L266 assume 0 == ~st1~0; 862#L267 assume ~send1~0 == ~id1~0; 914#L268 assume 0 == ~mode1~0 % 256; 915#L269 assume ~id2~0 >= 0; 954#L270 assume 0 == ~st2~0; 878#L271 assume ~send2~0 == ~id2~0; 879#L272 assume 0 == ~mode2~0 % 256; 927#L273 assume ~id3~0 >= 0; 849#L274 assume 0 == ~st3~0; 850#L275 assume ~send3~0 == ~id3~0; 909#L276 assume 0 == ~mode3~0 % 256; 863#L277 assume ~id4~0 >= 0; 864#L278 assume 0 == ~st4~0; 916#L279 assume ~send4~0 == ~id4~0; 917#L280 assume 0 == ~mode4~0 % 256; 955#L281 assume ~id5~0 >= 0; 880#L282 assume 0 == ~st5~0; 881#L283 assume ~send5~0 == ~id5~0; 928#L284 assume 0 == ~mode5~0 % 256; 851#L285 assume ~id6~0 >= 0; 852#L286 assume 0 == ~st6~0; 935#L287 assume ~send6~0 == ~id6~0; 867#L288 assume 0 == ~mode6~0 % 256; 868#L289 assume ~id7~0 >= 0; 918#L290 assume 0 == ~st7~0; 919#L291 assume ~send7~0 == ~id7~0; 956#L292 assume 0 == ~mode7~0 % 256; 882#L293 assume ~id1~0 != ~id2~0; 883#L294 assume ~id1~0 != ~id3~0; 929#L295 assume ~id1~0 != ~id4~0; 855#L296 assume ~id1~0 != ~id5~0; 856#L297 assume ~id1~0 != ~id6~0; 936#L298 assume ~id1~0 != ~id7~0; 871#L299 assume ~id2~0 != ~id3~0; 872#L300 assume ~id2~0 != ~id4~0; 920#L301 assume ~id2~0 != ~id5~0; 921#L302 assume ~id2~0 != ~id6~0; 943#L303 assume ~id2~0 != ~id7~0; 895#L304 assume ~id3~0 != ~id4~0; 896#L305 assume ~id3~0 != ~id5~0; 937#L306 assume ~id3~0 != ~id6~0; 869#L307 assume ~id3~0 != ~id7~0; 870#L308 assume ~id4~0 != ~id5~0; 933#L309 assume ~id4~0 != ~id6~0; 853#L310 assume ~id4~0 != ~id7~0; 854#L311 assume ~id5~0 != ~id6~0; 901#L312 assume ~id5~0 != ~id7~0; 902#L313 assume ~id6~0 != ~id7~0;init_~tmp~0 := 1; 959#L264-1 init_#res := init_~tmp~0; 960#L465 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;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; 964#L22 assume !(0 == assume_abort_if_not_~cond); 865#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;main_~i2~0 := 0; 866#L549-2 [2020-11-28 03:01:04,887 INFO L796 eck$LassoCheckResult]: Loop: 866#L549-2 assume !!(main_~i2~0 < 14);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1022#L85 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 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 924#L89 assume !(node1_~m1~0 != ~nomsg~0); 922#L89-1 ~mode1~0 := 0; 923#L85-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1019#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1016#L116 assume !(node2_~m2~0 != ~nomsg~0); 1014#L116-1 ~mode2~0 := 0; 1012#L113-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1011#L138 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1008#L141 assume !(node3_~m3~0 != ~nomsg~0); 1006#L141-1 ~mode3~0 := 0; 1004#L138-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1003#L163 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1000#L166 assume !(node4_~m4~0 != ~nomsg~0); 998#L166-1 ~mode4~0 := 0; 996#L163-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 995#L188 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 993#L191 assume !(node5_~m5~0 != ~nomsg~0); 991#L191-1 ~mode5~0 := 0; 990#L188-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 989#L213 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 986#L216 assume !(node6_~m6~0 != ~nomsg~0); 984#L216-1 ~mode6~0 := 0; 982#L213-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 981#L238 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 979#L241 assume !(node7_~m7~0 != ~nomsg~0); 976#L241-1 ~mode7~0 := 0; 974#L238-2 ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 973#L473 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 <= 1; 972#L474 assume !(~r1~0 >= 7); 912#L477 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0; 913#L478 assume ~r1~0 < 7;check_~tmp~1 := 1; 1026#L473-1 check_#res := check_~tmp~1; 1025#L493 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1024#L585 assume !(0 == assert_~arg % 256); 1023#L580 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 866#L549-2 [2020-11-28 03:01:04,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:04,888 INFO L82 PathProgramCache]: Analyzing trace with hash 292839954, now seen corresponding path program 3 times [2020-11-28 03:01:04,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:04,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288780527] [2020-11-28 03:01:04,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:04,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:05,011 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:05,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:05,012 INFO L82 PathProgramCache]: Analyzing trace with hash -984441711, now seen corresponding path program 1 times [2020-11-28 03:01:05,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:05,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728040960] [2020-11-28 03:01:05,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:05,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:05,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:05,046 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:05,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:05,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1657790752, now seen corresponding path program 1 times [2020-11-28 03:01:05,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:05,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114801911] [2020-11-28 03:01:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:05,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:05,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114801911] [2020-11-28 03:01:05,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:05,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:05,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548423831] [2020-11-28 03:01:06,124 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 178 [2020-11-28 03:01:06,696 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 151 [2020-11-28 03:01:06,713 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:01:06,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:01:06,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:01:06,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:01:06,716 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:01:06,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:06,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:01:06,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:01:06,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.1.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2020-11-28 03:01:06,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:01:06,717 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:01:06,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:06,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:07,375 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-28 03:01:07,908 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-28 03:01:08,146 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:01:08,147 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:08,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:01:08,166 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:08,213 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:01:08,213 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p1_old~0=-8, ~nomsg~0=-8, ULTIMATE.start_node4_~m4~0=-8, ~p6_new~0=-8, ULTIMATE.start_node7_~m7~0=-8, ~p7_new~0=-8, ULTIMATE.start_node5_~m5~0=-8, ~p3_old~0=-8, ~p5_new~0=-8, ~p2_old~0=-8, ~p4_old~0=-8, ~p5_old~0=-8, ULTIMATE.start_node2_~m2~0=-8, ~p7_old~0=-8, ~p1_new~0=-8, ~p2_new~0=-8, ~p3_new~0=-8, ~p4_new~0=-8, ~p6_old~0=-8, ULTIMATE.start_node1_~m1~0=-8, ULTIMATE.start_node6_~m6~0=-8, ULTIMATE.start_node3_~m3~0=-8} Honda state: {~p1_old~0=-8, ~nomsg~0=-8, ULTIMATE.start_node4_~m4~0=-8, ~p6_new~0=-8, ULTIMATE.start_node7_~m7~0=-8, ~p7_new~0=-8, ULTIMATE.start_node5_~m5~0=-8, ~p3_old~0=-8, ~p5_new~0=-8, ~p2_old~0=-8, ~p4_old~0=-8, ~p5_old~0=-8, ULTIMATE.start_node2_~m2~0=-8, ~p7_old~0=-8, ~p1_new~0=-8, ~p2_new~0=-8, ~p3_new~0=-8, ~p4_new~0=-8, ~p6_old~0=-8, ULTIMATE.start_node1_~m1~0=-8, ULTIMATE.start_node6_~m6~0=-8, ULTIMATE.start_node3_~m3~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:08,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:01:08,309 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:08,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:01:08,373 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:01:08,501 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:01:08,503 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:01:08,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:01:08,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:01:08,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:01:08,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:01:08,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:08,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:01:08,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:01:08,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.7.1.ufo.BOUNDED-14.pals.c_Iteration4_Loop [2020-11-28 03:01:08,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:01:08,504 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:01:08,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,700 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-11-28 03:01:08,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:08,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:01:09,432 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-28 03:01:10,303 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-28 03:01:10,506 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:01:10,511 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,521 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 [2020-11-28 03:01:10,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,569 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 [2020-11-28 03:01:10,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:10,643 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 [2020-11-28 03:01:10,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,648 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:01:10,690 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:10,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,696 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,723 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 [2020-11-28 03:01:10,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,724 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:01:10,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,732 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:01:10,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,763 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 [2020-11-28 03:01:10,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,837 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 [2020-11-28 03:01:10,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,864 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 [2020-11-28 03:01:10,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,896 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 [2020-11-28 03:01:10,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:10,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:10,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:10,903 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,939 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 [2020-11-28 03:01:10,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,942 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,942 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:10,975 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 [2020-11-28 03:01:10,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:10,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:10,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:10,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:10,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:10,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:10,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,012 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 [2020-11-28 03:01:11,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,020 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,047 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 [2020-11-28 03:01:11,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,052 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,081 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 [2020-11-28 03:01:11,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:11,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:11,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/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 [2020-11-28 03:01:11,112 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 [2020-11-28 03:01:11,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,146 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 [2020-11-28 03:01:11,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,179 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 [2020-11-28 03:01:11,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:01:11,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:01:11,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,208 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 [2020-11-28 03:01:11,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,235 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 [2020-11-28 03:01:11,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,261 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 [2020-11-28 03:01:11,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:01:11,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:01:11,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:01:11,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:01:11,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:01:11,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:01:11,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:01:11,265 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:01:11,291 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:01:11,292 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-vcloud-master/worker/run_dir_77d32c8f-4c5d-4009-8d70-94b51621feab/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:01:11,307 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:01:11,307 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:01:11,308 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:01:11,308 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 27 Supporting invariants [] [2020-11-28 03:01:11,331 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:01:11,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:11,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:01:11,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:11,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:01:11,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:11,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:11,553 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 [2020-11-28 03:01:11,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70 Second operand 3 states. [2020-11-28 03:01:11,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 182 states and 251 transitions. cyclomatic complexity: 70. Second operand 3 states. Result 307 states and 446 transitions. Complement of second has 4 states. [2020-11-28 03:01:11,636 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 [2020-11-28 03:01:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:01:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2020-11-28 03:01:11,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 37 letters. [2020-11-28 03:01:11,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 93 letters. Loop has 37 letters. [2020-11-28 03:01:11,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 159 transitions. Stem has 56 letters. Loop has 74 letters. [2020-11-28 03:01:11,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:01:11,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 446 transitions. [2020-11-28 03:01:11,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:01:11,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 0 states and 0 transitions. [2020-11-28 03:01:11,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:01:11,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:01:11,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:01:11,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:01:11,659 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:11,659 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:11,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:11,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:11,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:11,660 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-28 03:01:11,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:11,661 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-28 03:01:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:01:11,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-28 03:01:11,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:01:11,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:01:11,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:01:11,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:01:11,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:01:11,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:01:11,662 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:11,662 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:11,662 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:11,662 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:01:11,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:01:11,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:01:11,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:01:11,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:11 BoogieIcfgContainer [2020-11-28 03:01:11,668 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:01:11,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:11,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:11,669 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:11,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:03" (3/4) ... [2020-11-28 03:01:11,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:01:11,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:11,675 INFO L168 Benchmark]: Toolchain (without parser) took 10140.16 ms. Allocated memory was 90.2 MB in the beginning and 218.1 MB in the end (delta: 127.9 MB). Free memory was 61.2 MB in the beginning and 78.5 MB in the end (delta: -17.2 MB). Peak memory consumption was 111.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:11,676 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:11,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.50 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 61.2 MB in the beginning and 80.9 MB in the end (delta: -19.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:11,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.03 ms. Allocated memory is still 109.1 MB. Free memory was 80.9 MB in the beginning and 78.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:11,683 INFO L168 Benchmark]: Boogie Preprocessor took 41.28 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 75.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:11,683 INFO L168 Benchmark]: RCFGBuilder took 979.41 ms. Allocated memory is still 109.1 MB. Free memory was 75.7 MB in the beginning and 76.6 MB in the end (delta: -918.2 kB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:11,684 INFO L168 Benchmark]: BuchiAutomizer took 8622.45 ms. Allocated memory was 109.1 MB in the beginning and 218.1 MB in the end (delta: 109.1 MB). Free memory was 76.6 MB in the beginning and 78.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:11,686 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 218.1 MB. Free memory is still 78.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:11,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.50 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 61.2 MB in the beginning and 80.9 MB in the end (delta: -19.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.03 ms. Allocated memory is still 109.1 MB. Free memory was 80.9 MB in the beginning and 78.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.28 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 75.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 979.41 ms. Allocated memory is still 109.1 MB. Free memory was 75.7 MB in the beginning and 76.6 MB in the end (delta: -918.2 kB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8622.45 ms. Allocated memory was 109.1 MB in the beginning and 218.1 MB in the end (delta: 109.1 MB). Free memory was 76.6 MB in the beginning and 78.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.49 ms. Allocated memory is still 218.1 MB. Free memory is still 78.5 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 + 27 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 8.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 7.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. 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 182 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 779 SDtfs, 253 SDslu, 1316 SDs, 0 SdLazy, 36 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital212 mio100 ax139 hnf108 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq230 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...