./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/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 c13792dac8774c9ebb29902c2dbd93ae05dc00b8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:08:37,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:08:37,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:08:37,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:08:37,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:08:37,245 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:08:37,246 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:08:37,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:08:37,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:08:37,249 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:08:37,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:08:37,250 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:08:37,250 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:08:37,251 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:08:37,252 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:08:37,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:08:37,253 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:08:37,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:08:37,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:08:37,257 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:08:37,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:08:37,259 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:08:37,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:08:37,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:08:37,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:08:37,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:08:37,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:08:37,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:08:37,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:08:37,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:08:37,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:08:37,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:08:37,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:08:37,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:08:37,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:08:37,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:08:37,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:08:37,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:08:37,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:08:37,280 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:08:37,280 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:08:37,280 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:08:37,280 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:08:37,280 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:08:37,280 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:08:37,281 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:08:37,281 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:08:37,281 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:08:37,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:08:37,281 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:08:37,281 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:08:37,282 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:08:37,282 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:08:37,282 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:08:37,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:08:37,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:08:37,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:08:37,283 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:08:37,283 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:08:37,283 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:08:37,283 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:08:37,283 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:08:37,283 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:08:37,283 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:08:37,284 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:08:37,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:08:37,284 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:08:37,284 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:08:37,285 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:08:37,285 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/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 -> c13792dac8774c9ebb29902c2dbd93ae05dc00b8 [2018-11-28 12:08:37,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:08:37,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:08:37,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:08:37,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:08:37,319 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:08:37,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c [2018-11-28 12:08:37,360 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/data/859a3b8e6/4adf798b2ea946cda79093c6d60e34be/FLAG5d07f002f [2018-11-28 12:08:37,725 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:08:37,726 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c [2018-11-28 12:08:37,733 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/data/859a3b8e6/4adf798b2ea946cda79093c6d60e34be/FLAG5d07f002f [2018-11-28 12:08:38,134 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/data/859a3b8e6/4adf798b2ea946cda79093c6d60e34be [2018-11-28 12:08:38,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:08:38,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:08:38,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:08:38,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:08:38,142 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:08:38,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38, skipping insertion in model container [2018-11-28 12:08:38,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:08:38,178 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:08:38,324 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:08:38,331 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:08:38,412 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:08:38,426 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:08:38,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38 WrapperNode [2018-11-28 12:08:38,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:08:38,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:08:38,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:08:38,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:08:38,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:08:38,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:08:38,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:08:38,465 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:08:38,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... [2018-11-28 12:08:38,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:08:38,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:08:38,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:08:38,486 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:08:38,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/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 [2018-11-28 12:08:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:08:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:08:39,014 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:08:39,015 INFO L280 CfgBuilder]: Removed 21 assue(true) statements. [2018-11-28 12:08:39,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:08:39 BoogieIcfgContainer [2018-11-28 12:08:39,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:08:39,016 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:08:39,016 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:08:39,018 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:08:39,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:08:39,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:08:38" (1/3) ... [2018-11-28 12:08:39,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb4bb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:08:39, skipping insertion in model container [2018-11-28 12:08:39,020 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:08:39,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:08:38" (2/3) ... [2018-11-28 12:08:39,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb4bb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:08:39, skipping insertion in model container [2018-11-28 12:08:39,021 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:08:39,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:08:39" (3/3) ... [2018-11-28 12:08:39,022 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c [2018-11-28 12:08:39,074 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:08:39,074 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:08:39,074 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:08:39,075 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:08:39,075 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:08:39,075 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:08:39,075 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:08:39,075 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:08:39,075 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:08:39,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-28 12:08:39,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-28 12:08:39,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:08:39,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:08:39,125 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 12:08:39,125 INFO L867 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] [2018-11-28 12:08:39,125 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:08:39,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-28 12:08:39,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-28 12:08:39,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:08:39,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:08:39,131 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 12:08:39,131 INFO L867 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] [2018-11-28 12:08:39,137 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~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]; 8#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, 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~ret35, main_#t~ret36, main_#t~post37, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet9;havoc main_#t~nondet9;~id1~0 := main_#t~nondet10;havoc main_#t~nondet10;~st1~0 := main_#t~nondet11;havoc main_#t~nondet11;~send1~0 := main_#t~nondet12;havoc main_#t~nondet12;~mode1~0 := main_#t~nondet13;havoc main_#t~nondet13;~alive1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~alive2~0 := main_#t~nondet19;havoc main_#t~nondet19;~id3~0 := main_#t~nondet20;havoc main_#t~nondet20;~st3~0 := main_#t~nondet21;havoc main_#t~nondet21;~send3~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode3~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive5~0 := main_#t~nondet34;havoc main_#t~nondet34;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 55#L287true assume !(0 == ~r1~0);init_~tmp~0 := 0; 39#L287-1true init_#res := init_~tmp~0; 65#L416true main_#t~ret35 := init_#res;main_~i2~0 := main_#t~ret35;havoc main_#t~ret35;assume 0 != main_~i2~0;~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;main_~i2~0 := 0; 49#L485-2true [2018-11-28 12:08:39,138 INFO L796 eck$LassoCheckResult]: Loop: 49#L485-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 98#L118true 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 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 33#L122true assume !(node1_~m1~0 != ~nomsg~0); 46#L122-1true ~mode1~0 := 0; 85#L118-2true havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 26#L150true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 16#L153true assume !(node2_~m2~0 != ~nomsg~0); 15#L153-1true ~mode2~0 := 0; 7#L150-2true havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 103#L184true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 82#L187true assume !(node3_~m3~0 != ~nomsg~0); 81#L187-1true ~mode3~0 := 0; 99#L184-2true havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 48#L218true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 38#L221true assume !(node4_~m4~0 != ~nomsg~0); 37#L221-1true ~mode4~0 := 0; 59#L218-2true havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 4#L252true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 9#L255true assume !(node5_~m5~0 != ~nomsg~0); 111#L255-1true ~mode5~0 := 0; 3#L252-2true ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 70#L424true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 73#L424-1true check_#res := check_~tmp~1; 23#L436true main_#t~ret36 := check_#res;main_~c1~0 := main_#t~ret36;havoc main_#t~ret36;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 61#L515true assume !(0 == assert_~arg % 256); 41#L510true main_#t~post37 := main_~i2~0;main_~i2~0 := 1 + main_#t~post37;havoc main_#t~post37; 49#L485-2true [2018-11-28 12:08:39,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,143 INFO L82 PathProgramCache]: Analyzing trace with hash 28880448, now seen corresponding path program 1 times [2018-11-28 12:08:39,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:39,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:08:39,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:08:39,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:08:39,296 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 12:08:39,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1018090030, now seen corresponding path program 1 times [2018-11-28 12:08:39,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:39,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:08:39,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:08:39,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:08:39,383 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:08:39,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:08:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:08:39,396 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 4 states. [2018-11-28 12:08:39,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:08:39,483 INFO L93 Difference]: Finished difference Result 118 states and 195 transitions. [2018-11-28 12:08:39,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:08:39,485 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 195 transitions. [2018-11-28 12:08:39,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2018-11-28 12:08:39,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 111 states and 157 transitions. [2018-11-28 12:08:39,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 111 [2018-11-28 12:08:39,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2018-11-28 12:08:39,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 157 transitions. [2018-11-28 12:08:39,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:08:39,496 INFO L705 BuchiCegarLoop]: Abstraction has 111 states and 157 transitions. [2018-11-28 12:08:39,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 157 transitions. [2018-11-28 12:08:39,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-28 12:08:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-28 12:08:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2018-11-28 12:08:39,528 INFO L728 BuchiCegarLoop]: Abstraction has 111 states and 157 transitions. [2018-11-28 12:08:39,528 INFO L608 BuchiCegarLoop]: Abstraction has 111 states and 157 transitions. [2018-11-28 12:08:39,528 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:08:39,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 157 transitions. [2018-11-28 12:08:39,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2018-11-28 12:08:39,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:08:39,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:08:39,531 INFO L866 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] [2018-11-28 12:08:39,531 INFO L867 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] [2018-11-28 12:08:39,532 INFO L794 eck$LassoCheckResult]: Stem: 353#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~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]; 260#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, 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~ret35, main_#t~ret36, main_#t~post37, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet9;havoc main_#t~nondet9;~id1~0 := main_#t~nondet10;havoc main_#t~nondet10;~st1~0 := main_#t~nondet11;havoc main_#t~nondet11;~send1~0 := main_#t~nondet12;havoc main_#t~nondet12;~mode1~0 := main_#t~nondet13;havoc main_#t~nondet13;~alive1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~alive2~0 := main_#t~nondet19;havoc main_#t~nondet19;~id3~0 := main_#t~nondet20;havoc main_#t~nondet20;~st3~0 := main_#t~nondet21;havoc main_#t~nondet21;~send3~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode3~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive5~0 := main_#t~nondet34;havoc main_#t~nondet34;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 261#L287 assume 0 == ~r1~0; 266#L288 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 267#L289 assume ~id1~0 >= 0; 321#L290 assume 0 == ~st1~0; 322#L291 assume ~send1~0 == ~id1~0; 350#L292 assume 0 == ~mode1~0 % 256; 275#L293 assume ~id2~0 >= 0; 276#L294 assume 0 == ~st2~0; 330#L295 assume ~send2~0 == ~id2~0; 256#L296 assume 0 == ~mode2~0 % 256; 257#L297 assume ~id3~0 >= 0; 334#L298 assume 0 == ~st3~0; 270#L299 assume ~send3~0 == ~id3~0; 271#L300 assume 0 == ~mode3~0 % 256; 323#L301 assume ~id4~0 >= 0; 324#L302 assume 0 == ~st4~0; 337#L303 assume ~send4~0 == ~id4~0; 297#L304 assume 0 == ~mode4~0 % 256; 298#L305 assume ~id5~0 >= 0; 336#L306 assume 0 == ~st5~0; 268#L307 assume ~send5~0 == ~id5~0; 269#L308 assume 0 == ~mode5~0 % 256; 331#L309 assume ~id1~0 != ~id2~0; 254#L310 assume ~id1~0 != ~id3~0; 255#L311 assume ~id1~0 != ~id4~0; 305#L312 assume ~id1~0 != ~id5~0; 306#L313 assume ~id2~0 != ~id3~0; 349#L314 assume ~id2~0 != ~id4~0; 295#L315 assume ~id2~0 != ~id5~0; 296#L316 assume ~id3~0 != ~id4~0; 335#L317 assume ~id3~0 != ~id5~0; 264#L318 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 265#L287-1 init_#res := init_~tmp~0; 314#L416 main_#t~ret35 := init_#res;main_~i2~0 := main_#t~ret35;havoc main_#t~ret35;assume 0 != main_~i2~0;~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;main_~i2~0 := 0; 317#L485-2 [2018-11-28 12:08:39,532 INFO L796 eck$LassoCheckResult]: Loop: 317#L485-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 328#L118 assume !(0 != ~mode1~0 % 256); 281#L136 assume !(0 != ~alive1~0 % 256); 277#L136-2 ~mode1~0 := 1; 278#L118-2 havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 290#L150 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 273#L153 assume !(node2_~m2~0 != ~nomsg~0); 272#L153-1 ~mode2~0 := 0; 258#L150-2 havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 259#L184 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 351#L187 assume !(node3_~m3~0 != ~nomsg~0); 309#L187-1 ~mode3~0 := 0; 344#L184-2 havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 327#L218 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 312#L221 assume !(node4_~m4~0 != ~nomsg~0); 311#L221-1 ~mode4~0 := 0; 293#L218-2 havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 251#L252 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 253#L255 assume !(node5_~m5~0 != ~nomsg~0); 263#L255-1 ~mode5~0 := 0; 249#L252-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 250#L424 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 280#L424-1 check_#res := check_~tmp~1; 286#L436 main_#t~ret36 := check_#res;main_~c1~0 := main_#t~ret36;havoc main_#t~ret36;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 287#L515 assume !(0 == assert_~arg % 256); 316#L510 main_#t~post37 := main_~i2~0;main_~i2~0 := 1 + main_#t~post37;havoc main_#t~post37; 317#L485-2 [2018-11-28 12:08:39,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,532 INFO L82 PathProgramCache]: Analyzing trace with hash 766937493, now seen corresponding path program 1 times [2018-11-28 12:08:39,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:39,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:39,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,614 INFO L82 PathProgramCache]: Analyzing trace with hash 214509128, now seen corresponding path program 1 times [2018-11-28 12:08:39,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:39,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:39,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:08:39,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:08:39,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:08:39,666 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:08:39,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:08:39,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:08:39,666 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. cyclomatic complexity: 47 Second operand 5 states. [2018-11-28 12:08:39,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:08:39,738 INFO L93 Difference]: Finished difference Result 114 states and 159 transitions. [2018-11-28 12:08:39,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:08:39,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 159 transitions. [2018-11-28 12:08:39,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2018-11-28 12:08:39,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 111 states and 155 transitions. [2018-11-28 12:08:39,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 111 [2018-11-28 12:08:39,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 111 [2018-11-28 12:08:39,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 111 states and 155 transitions. [2018-11-28 12:08:39,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:08:39,743 INFO L705 BuchiCegarLoop]: Abstraction has 111 states and 155 transitions. [2018-11-28 12:08:39,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states and 155 transitions. [2018-11-28 12:08:39,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-28 12:08:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-28 12:08:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 155 transitions. [2018-11-28 12:08:39,749 INFO L728 BuchiCegarLoop]: Abstraction has 111 states and 155 transitions. [2018-11-28 12:08:39,749 INFO L608 BuchiCegarLoop]: Abstraction has 111 states and 155 transitions. [2018-11-28 12:08:39,749 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:08:39,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 155 transitions. [2018-11-28 12:08:39,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2018-11-28 12:08:39,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:08:39,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:08:39,752 INFO L866 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] [2018-11-28 12:08:39,752 INFO L867 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] [2018-11-28 12:08:39,753 INFO L794 eck$LassoCheckResult]: Stem: 590#ULTIMATE.startENTRY ~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~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]; 497#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, 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~ret35, main_#t~ret36, main_#t~post37, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet9;havoc main_#t~nondet9;~id1~0 := main_#t~nondet10;havoc main_#t~nondet10;~st1~0 := main_#t~nondet11;havoc main_#t~nondet11;~send1~0 := main_#t~nondet12;havoc main_#t~nondet12;~mode1~0 := main_#t~nondet13;havoc main_#t~nondet13;~alive1~0 := main_#t~nondet14;havoc main_#t~nondet14;~id2~0 := main_#t~nondet15;havoc main_#t~nondet15;~st2~0 := main_#t~nondet16;havoc main_#t~nondet16;~send2~0 := main_#t~nondet17;havoc main_#t~nondet17;~mode2~0 := main_#t~nondet18;havoc main_#t~nondet18;~alive2~0 := main_#t~nondet19;havoc main_#t~nondet19;~id3~0 := main_#t~nondet20;havoc main_#t~nondet20;~st3~0 := main_#t~nondet21;havoc main_#t~nondet21;~send3~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode3~0 := main_#t~nondet23;havoc main_#t~nondet23;~alive3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~alive4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~alive5~0 := main_#t~nondet34;havoc main_#t~nondet34;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 498#L287 assume 0 == ~r1~0; 503#L288 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 504#L289 assume ~id1~0 >= 0; 558#L290 assume 0 == ~st1~0; 559#L291 assume ~send1~0 == ~id1~0; 587#L292 assume 0 == ~mode1~0 % 256; 512#L293 assume ~id2~0 >= 0; 513#L294 assume 0 == ~st2~0; 567#L295 assume ~send2~0 == ~id2~0; 493#L296 assume 0 == ~mode2~0 % 256; 494#L297 assume ~id3~0 >= 0; 571#L298 assume 0 == ~st3~0; 507#L299 assume ~send3~0 == ~id3~0; 508#L300 assume 0 == ~mode3~0 % 256; 560#L301 assume ~id4~0 >= 0; 561#L302 assume 0 == ~st4~0; 574#L303 assume ~send4~0 == ~id4~0; 534#L304 assume 0 == ~mode4~0 % 256; 535#L305 assume ~id5~0 >= 0; 573#L306 assume 0 == ~st5~0; 505#L307 assume ~send5~0 == ~id5~0; 506#L308 assume 0 == ~mode5~0 % 256; 568#L309 assume ~id1~0 != ~id2~0; 491#L310 assume ~id1~0 != ~id3~0; 492#L311 assume ~id1~0 != ~id4~0; 542#L312 assume ~id1~0 != ~id5~0; 543#L313 assume ~id2~0 != ~id3~0; 586#L314 assume ~id2~0 != ~id4~0; 532#L315 assume ~id2~0 != ~id5~0; 533#L316 assume ~id3~0 != ~id4~0; 572#L317 assume ~id3~0 != ~id5~0; 501#L318 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 502#L287-1 init_#res := init_~tmp~0; 551#L416 main_#t~ret35 := init_#res;main_~i2~0 := main_#t~ret35;havoc main_#t~ret35;assume 0 != main_~i2~0;~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;main_~i2~0 := 0; 554#L485-2 [2018-11-28 12:08:39,753 INFO L796 eck$LassoCheckResult]: Loop: 554#L485-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 565#L118 assume !(0 != ~mode1~0 % 256); 518#L136 assume !(0 != ~alive1~0 % 256); 514#L136-2 ~mode1~0 := 1; 515#L118-2 havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 527#L150 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 510#L153 assume !(node2_~m2~0 != ~nomsg~0); 509#L153-1 ~mode2~0 := 0; 495#L150-2 havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 496#L184 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 588#L187 assume !(node3_~m3~0 != ~nomsg~0); 546#L187-1 ~mode3~0 := 0; 581#L184-2 havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 564#L218 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 549#L221 assume !(node4_~m4~0 != ~nomsg~0); 548#L221-1 ~mode4~0 := 0; 530#L218-2 havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 488#L252 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 490#L255 assume !(node5_~m5~0 != ~nomsg~0); 500#L255-1 ~mode5~0 := 0; 486#L252-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 487#L424 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 525#L425 assume ~r1~0 < 5;check_~tmp~1 := 1; 517#L424-1 check_#res := check_~tmp~1; 523#L436 main_#t~ret36 := check_#res;main_~c1~0 := main_#t~ret36;havoc main_#t~ret36;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 524#L515 assume !(0 == assert_~arg % 256); 553#L510 main_#t~post37 := main_~i2~0;main_~i2~0 := 1 + main_#t~post37;havoc main_#t~post37; 554#L485-2 [2018-11-28 12:08:39,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,753 INFO L82 PathProgramCache]: Analyzing trace with hash 766937493, now seen corresponding path program 2 times [2018-11-28 12:08:39,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:39,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:39,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1971488599, now seen corresponding path program 1 times [2018-11-28 12:08:39,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,801 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:08:39,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:08:39,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:39,821 INFO L82 PathProgramCache]: Analyzing trace with hash 2077663555, now seen corresponding path program 1 times [2018-11-28 12:08:39,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:08:39,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:08:39,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:08:39,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:08:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:08:39,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:08:39,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:08:40,154 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2018-11-28 12:08:40,401 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2018-11-28 12:08:40,409 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:08:40,410 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:08:40,410 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:08:40,410 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:08:40,410 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:08:40,410 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:08:40,411 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:08:40,411 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:08:40,411 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c_Iteration3_Loop [2018-11-28 12:08:40,411 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:08:40,411 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:08:40,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:40,950 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:08:40,951 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:08:40,956 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:08:40,956 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d7e749e-0fcf-4695-8592-6ee8f34b241e/bin-2019/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 [2018-11-28 12:08:40,976 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:08:40,976 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:08:41,118 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:08:41,120 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:08:41,120 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:08:41,121 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:08:41,121 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:08:41,121 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:08:41,121 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:08:41,121 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:08:41,121 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:08:41,121 INFO L131 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c_Iteration3_Loop [2018-11-28 12:08:41,121 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:08:41,121 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:08:41,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:08:41,654 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:08:41,658 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:08:41,659 INFO L122 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 [2018-11-28 12:08:41,660 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,660 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,661 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,662 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,662 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,666 INFO L122 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 [2018-11-28 12:08:41,666 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,666 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,668 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:08:41,668 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:08:41,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,670 INFO L122 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 [2018-11-28 12:08:41,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,671 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,671 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,671 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,676 INFO L122 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 [2018-11-28 12:08:41,676 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,677 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,678 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:08:41,678 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:08:41,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,680 INFO L122 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 [2018-11-28 12:08:41,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,681 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,681 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,681 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,683 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,683 INFO L122 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 [2018-11-28 12:08:41,688 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,688 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,689 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,689 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,690 INFO L122 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 [2018-11-28 12:08:41,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,691 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,691 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,695 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,696 INFO L122 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 [2018-11-28 12:08:41,696 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,696 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,696 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,697 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:08:41,697 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:08:41,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,700 INFO L122 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 [2018-11-28 12:08:41,700 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,701 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,703 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,705 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,706 INFO L122 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 [2018-11-28 12:08:41,706 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,706 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,706 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,706 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,707 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:08:41,707 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:08:41,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,709 INFO L122 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 [2018-11-28 12:08:41,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,710 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,710 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,711 INFO L122 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 [2018-11-28 12:08:41,712 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,712 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,713 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,713 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,714 INFO L122 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 [2018-11-28 12:08:41,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,715 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,716 INFO L122 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 [2018-11-28 12:08:41,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,717 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,718 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,718 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,719 INFO L122 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 [2018-11-28 12:08:41,719 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,719 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,719 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,719 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,720 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,720 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,721 INFO L122 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 [2018-11-28 12:08:41,721 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,721 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,722 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:08:41,722 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:08:41,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,725 INFO L122 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 [2018-11-28 12:08:41,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,725 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,725 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,726 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:08:41,728 INFO L122 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 [2018-11-28 12:08:41,728 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:08:41,728 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:08:41,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:08:41,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:08:41,729 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:08:41,729 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:08:41,729 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:08:41,730 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:08:41,733 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 12:08:41,734 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 12:08:41,735 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:08:41,735 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 12:08:41,736 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:08:41,736 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] [2018-11-28 12:08:41,737 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 12:08:41,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:08:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:41,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:08:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:08:41,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:08:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:08:41,859 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 [2018-11-28 12:08:41,860 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 111 states and 155 transitions. cyclomatic complexity: 45 Second operand 3 states. [2018-11-28 12:08:41,906 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 111 states and 155 transitions. cyclomatic complexity: 45. Second operand 3 states. Result 186 states and 275 transitions. Complement of second has 4 states. [2018-11-28 12:08:41,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 12:08:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 12:08:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2018-11-28 12:08:41,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 155 transitions. Stem has 36 letters. Loop has 27 letters. [2018-11-28 12:08:41,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:08:41,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 155 transitions. Stem has 63 letters. Loop has 27 letters. [2018-11-28 12:08:41,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:08:41,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 155 transitions. Stem has 36 letters. Loop has 54 letters. [2018-11-28 12:08:41,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:08:41,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 275 transitions. [2018-11-28 12:08:41,916 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:08:41,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 0 states and 0 transitions. [2018-11-28 12:08:41,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:08:41,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:08:41,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:08:41,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:08:41,917 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:41,917 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:41,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:08:41,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:08:41,917 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-28 12:08:41,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:08:41,917 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 12:08:41,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:08:41,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 12:08:41,918 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:08:41,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:08:41,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:08:41,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:08:41,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:08:41,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:08:41,918 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:41,918 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:41,918 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:08:41,918 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 12:08:41,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:08:41,919 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:08:41,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:08:41,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:08:41 BoogieIcfgContainer [2018-11-28 12:08:41,929 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:08:41,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:08:41,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:08:41,929 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:08:41,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:08:39" (3/4) ... [2018-11-28 12:08:41,932 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:08:41,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:08:41,933 INFO L168 Benchmark]: Toolchain (without parser) took 3795.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 958.7 MB in the beginning and 897.5 MB in the end (delta: 61.2 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:41,934 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:08:41,934 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:41,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:41,935 INFO L168 Benchmark]: Boogie Preprocessor took 21.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:41,935 INFO L168 Benchmark]: RCFGBuilder took 528.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:41,936 INFO L168 Benchmark]: BuchiAutomizer took 2913.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 897.5 MB in the end (delta: 170.6 MB). Peak memory consumption was 248.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:08:41,936 INFO L168 Benchmark]: Witness Printer took 3.17 ms. Allocated memory is still 1.2 GB. Free memory is still 897.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:08:41,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 528.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2913.40 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 1.1 GB in the beginning and 897.5 MB in the end (delta: 170.6 MB). Peak memory consumption was 248.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.17 ms. Allocated memory is still 1.2 GB. Free memory is still 897.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 19 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 111 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 501 SDtfs, 274 SDslu, 926 SDs, 0 SdLazy, 22 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax142 hnf109 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq228 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 3ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...