./Ultimate.py --spec ../../sv-benchmarks/c/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/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_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/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 0.1.23-1dbac8b [2018-11-10 05:03:45,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:03:45,607 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:03:45,614 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:03:45,614 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:03:45,615 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:03:45,615 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:03:45,616 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:03:45,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:03:45,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:03:45,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:03:45,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:03:45,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:03:45,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:03:45,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:03:45,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:03:45,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:03:45,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:03:45,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:03:45,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:03:45,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:03:45,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:03:45,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:03:45,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:03:45,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:03:45,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:03:45,626 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:03:45,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:03:45,627 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:03:45,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:03:45,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:03:45,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:03:45,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:03:45,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:03:45,630 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:03:45,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:03:45,631 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 05:03:45,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:03:45,639 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:03:45,640 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:03:45,640 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:03:45,640 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:03:45,640 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 05:03:45,640 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 05:03:45,641 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 05:03:45,641 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 05:03:45,641 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 05:03:45,641 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 05:03:45,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:03:45,641 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:03:45,641 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:03:45,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:03:45,642 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:03:45,642 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:03:45,642 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 05:03:45,642 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 05:03:45,642 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 05:03:45,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:03:45,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:03:45,643 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 05:03:45,643 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 05:03:45,643 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:03:45,643 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:03:45,643 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 05:03:45,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:03:45,644 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:03:45,644 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 05:03:45,645 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 05:03:45,645 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_6686a498-b922-4c4b-bfaf-af97bd3ace8c/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 [2018-11-10 05:03:45,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:03:45,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:03:45,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:03:45,680 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:03:45,681 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:03:45,681 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c [2018-11-10 05:03:45,717 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/data/21ab00eaf/c2ea306594df4ebebc54859a68ab5b61/FLAG9e1adc6ec [2018-11-10 05:03:46,134 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:03:46,134 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c [2018-11-10 05:03:46,140 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/data/21ab00eaf/c2ea306594df4ebebc54859a68ab5b61/FLAG9e1adc6ec [2018-11-10 05:03:46,151 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/bin-2019/uautomizer/data/21ab00eaf/c2ea306594df4ebebc54859a68ab5b61 [2018-11-10 05:03:46,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:03:46,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:03:46,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:03:46,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:03:46,158 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:03:46,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b11911a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46, skipping insertion in model container [2018-11-10 05:03:46,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:03:46,192 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:03:46,327 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:03:46,333 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:03:46,362 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:03:46,376 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:03:46,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46 WrapperNode [2018-11-10 05:03:46,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:03:46,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:03:46,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:03:46,377 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:03:46,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:03:46,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:03:46,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:03:46,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:03:46,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... [2018-11-10 05:03:46,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:03:46,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:03:46,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:03:46,477 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:03:46,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/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 [2018-11-10 05:03:46,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:03:46,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:03:47,014 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:03:47,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:03:47 BoogieIcfgContainer [2018-11-10 05:03:47,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:03:47,015 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 05:03:47,015 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 05:03:47,017 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 05:03:47,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:03:47,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 05:03:46" (1/3) ... [2018-11-10 05:03:47,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48069f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:03:47, skipping insertion in model container [2018-11-10 05:03:47,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:03:47,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:03:46" (2/3) ... [2018-11-10 05:03:47,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48069f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:03:47, skipping insertion in model container [2018-11-10 05:03:47,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:03:47,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:03:47" (3/3) ... [2018-11-10 05:03:47,021 INFO L375 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5_false-unreach-call.2.ufo.BOUNDED-10.pals_true-termination.c [2018-11-10 05:03:47,055 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:03:47,055 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 05:03:47,055 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 05:03:47,055 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 05:03:47,056 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:03:47,056 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:03:47,056 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 05:03:47,056 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:03:47,056 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 05:03:47,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states. [2018-11-10 05:03:47,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2018-11-10 05:03:47,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:03:47,089 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:03:47,094 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 05:03:47,095 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] [2018-11-10 05:03:47,095 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 05:03:47,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states. [2018-11-10 05:03:47,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2018-11-10 05:03:47,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:03:47,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:03:47,099 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-10 05:03:47,100 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] [2018-11-10 05:03:47,107 INFO L793 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~p5~0 := 0;~send5~0 := 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 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;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;assume { :begin_inline_init } true;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 56#L287true assume !(~r1~0 == 0);init_~tmp~0 := 0; 39#L287-1true init_#res := init_~tmp~0; 66#L416true main_#t~ret35 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret35;havoc main_#t~ret35;assume main_~i2~0 != 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; 50#L485-3true [2018-11-10 05:03:47,108 INFO L795 eck$LassoCheckResult]: Loop: 50#L485-3true assume true; 47#L485-1true assume !!(main_~i2~0 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 99#L118true assume ~mode1~0 % 256 != 0;~r1~0 := (if (~r1~0 + 1) % 256 <= 127 then (~r1~0 + 1) % 256 else (~r1~0 + 1) % 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; 86#L118-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 26#L150true assume ~mode2~0 % 256 != 0;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 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 104#L184true assume ~mode3~0 % 256 != 0;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 83#L187true assume !(node3_~m3~0 != ~nomsg~0); 82#L187-1true ~mode3~0 := 0; 100#L184-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 49#L218true assume ~mode4~0 % 256 != 0;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; 60#L218-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 4#L252true assume ~mode5~0 % 256 != 0;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 9#L255true assume !(node5_~m5~0 != ~nomsg~0); 112#L255-1true ~mode5~0 := 0; 3#L252-2true assume { :end_inline_node5 } true;~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;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 71#L424true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 74#L424-1true check_#res := check_~tmp~1; 23#L436true main_#t~ret36 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret36;havoc main_#t~ret36;assume { :begin_inline_assert } true;assert_#in~arg := (if main_~c1~0 == 0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 62#L515true assume !(assert_~arg % 256 == 0); 41#L510true assume { :end_inline_assert } true;main_#t~post37 := main_~i2~0;main_~i2~0 := main_#t~post37 + 1;havoc main_#t~post37; 50#L485-3true [2018-11-10 05:03:47,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,113 INFO L82 PathProgramCache]: Analyzing trace with hash 28880448, now seen corresponding path program 1 times [2018-11-10 05:03:47,116 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:03:47,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:47,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:03:47,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 05:03:47,252 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-11-10 05:03:47,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,253 INFO L82 PathProgramCache]: Analyzing trace with hash -298483211, now seen corresponding path program 1 times [2018-11-10 05:03:47,253 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:03:47,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:47,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:03:47,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 05:03:47,339 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 05:03:47,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 05:03:47,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 05:03:47,355 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2018-11-10 05:03:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:03:47,411 INFO L93 Difference]: Finished difference Result 119 states and 196 transitions. [2018-11-10 05:03:47,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 05:03:47,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 196 transitions. [2018-11-10 05:03:47,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-10 05:03:47,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 112 states and 158 transitions. [2018-11-10 05:03:47,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112 [2018-11-10 05:03:47,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112 [2018-11-10 05:03:47,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 158 transitions. [2018-11-10 05:03:47,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:03:47,422 INFO L705 BuchiCegarLoop]: Abstraction has 112 states and 158 transitions. [2018-11-10 05:03:47,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 158 transitions. [2018-11-10 05:03:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-10 05:03:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-10 05:03:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2018-11-10 05:03:47,444 INFO L728 BuchiCegarLoop]: Abstraction has 112 states and 158 transitions. [2018-11-10 05:03:47,444 INFO L608 BuchiCegarLoop]: Abstraction has 112 states and 158 transitions. [2018-11-10 05:03:47,444 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 05:03:47,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 158 transitions. [2018-11-10 05:03:47,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-10 05:03:47,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:03:47,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:03:47,447 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] [2018-11-10 05:03:47,448 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] [2018-11-10 05:03:47,448 INFO L793 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~p5~0 := 0;~send5~0 := 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]; 262#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;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;assume { :begin_inline_init } true;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 263#L287 assume ~r1~0 == 0; 268#L288 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 269#L289 assume ~id1~0 >= 0; 323#L290 assume ~st1~0 == 0; 324#L291 assume ~send1~0 == ~id1~0; 353#L292 assume ~mode1~0 % 256 == 0; 277#L293 assume ~id2~0 >= 0; 278#L294 assume ~st2~0 == 0; 333#L295 assume ~send2~0 == ~id2~0; 258#L296 assume ~mode2~0 % 256 == 0; 259#L297 assume ~id3~0 >= 0; 337#L298 assume ~st3~0 == 0; 272#L299 assume ~send3~0 == ~id3~0; 273#L300 assume ~mode3~0 % 256 == 0; 325#L301 assume ~id4~0 >= 0; 326#L302 assume ~st4~0 == 0; 340#L303 assume ~send4~0 == ~id4~0; 299#L304 assume ~mode4~0 % 256 == 0; 300#L305 assume ~id5~0 >= 0; 339#L306 assume ~st5~0 == 0; 270#L307 assume ~send5~0 == ~id5~0; 271#L308 assume ~mode5~0 % 256 == 0; 334#L309 assume ~id1~0 != ~id2~0; 256#L310 assume ~id1~0 != ~id3~0; 257#L311 assume ~id1~0 != ~id4~0; 307#L312 assume ~id1~0 != ~id5~0; 308#L313 assume ~id2~0 != ~id3~0; 352#L314 assume ~id2~0 != ~id4~0; 297#L315 assume ~id2~0 != ~id5~0; 298#L316 assume ~id3~0 != ~id4~0; 338#L317 assume ~id3~0 != ~id5~0; 266#L318 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 267#L287-1 init_#res := init_~tmp~0; 316#L416 main_#t~ret35 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret35;havoc main_#t~ret35;assume main_~i2~0 != 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; 319#L485-3 [2018-11-10 05:03:47,448 INFO L795 eck$LassoCheckResult]: Loop: 319#L485-3 assume true; 327#L485-1 assume !!(main_~i2~0 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 328#L118 assume ~mode1~0 % 256 != 0;~r1~0 := (if (~r1~0 + 1) % 256 <= 127 then (~r1~0 + 1) % 256 else (~r1~0 + 1) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 304#L122 assume !(node1_~m1~0 != ~nomsg~0); 306#L122-1 ~mode1~0 := 0; 280#L118-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 292#L150 assume ~mode2~0 % 256 != 0;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 275#L153 assume !(node2_~m2~0 != ~nomsg~0); 274#L153-1 ~mode2~0 := 0; 260#L150-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 261#L184 assume ~mode3~0 % 256 != 0;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 354#L187 assume !(node3_~m3~0 != ~nomsg~0); 312#L187-1 ~mode3~0 := 0; 347#L184-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 331#L218 assume ~mode4~0 % 256 != 0;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 314#L221 assume !(node4_~m4~0 != ~nomsg~0); 313#L221-1 ~mode4~0 := 0; 295#L218-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 253#L252 assume ~mode5~0 % 256 != 0;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 255#L255 assume !(node5_~m5~0 != ~nomsg~0); 265#L255-1 ~mode5~0 := 0; 251#L252-2 assume { :end_inline_node5 } true;~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;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 252#L424 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 282#L424-1 check_#res := check_~tmp~1; 288#L436 main_#t~ret36 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret36;havoc main_#t~ret36;assume { :begin_inline_assert } true;assert_#in~arg := (if main_~c1~0 == 0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 289#L515 assume !(assert_~arg % 256 == 0); 318#L510 assume { :end_inline_assert } true;main_#t~post37 := main_~i2~0;main_~i2~0 := main_#t~post37 + 1;havoc main_#t~post37; 319#L485-3 [2018-11-10 05:03:47,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,449 INFO L82 PathProgramCache]: Analyzing trace with hash 766937493, now seen corresponding path program 1 times [2018-11-10 05:03:47,449 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:03:47,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:03:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:03:47,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,520 INFO L82 PathProgramCache]: Analyzing trace with hash -298483211, now seen corresponding path program 2 times [2018-11-10 05:03:47,520 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:03:47,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:47,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:03:47,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 05:03:47,566 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 05:03:47,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 05:03:47,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:03:47,566 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. cyclomatic complexity: 47 Second operand 5 states. [2018-11-10 05:03:47,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:03:47,612 INFO L93 Difference]: Finished difference Result 115 states and 160 transitions. [2018-11-10 05:03:47,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 05:03:47,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 160 transitions. [2018-11-10 05:03:47,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-10 05:03:47,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 112 states and 156 transitions. [2018-11-10 05:03:47,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112 [2018-11-10 05:03:47,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112 [2018-11-10 05:03:47,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 156 transitions. [2018-11-10 05:03:47,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:03:47,616 INFO L705 BuchiCegarLoop]: Abstraction has 112 states and 156 transitions. [2018-11-10 05:03:47,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 156 transitions. [2018-11-10 05:03:47,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-10 05:03:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-10 05:03:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 156 transitions. [2018-11-10 05:03:47,623 INFO L728 BuchiCegarLoop]: Abstraction has 112 states and 156 transitions. [2018-11-10 05:03:47,623 INFO L608 BuchiCegarLoop]: Abstraction has 112 states and 156 transitions. [2018-11-10 05:03:47,623 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 05:03:47,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 156 transitions. [2018-11-10 05:03:47,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2018-11-10 05:03:47,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:03:47,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:03:47,626 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] [2018-11-10 05:03:47,626 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, 1] [2018-11-10 05:03:47,626 INFO L793 eck$LassoCheckResult]: Stem: 595#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~r1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nomsg~0 := -1;~p1~0 := 0;~send1~0 := 0;~p2~0 := 0;~send2~0 := 0;~p3~0 := 0;~send3~0 := 0;~p4~0 := 0;~send4~0 := 0;~p5~0 := 0;~send5~0 := 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]; 501#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;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;assume { :begin_inline_init } true;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 502#L287 assume ~r1~0 == 0; 507#L288 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 508#L289 assume ~id1~0 >= 0; 562#L290 assume ~st1~0 == 0; 563#L291 assume ~send1~0 == ~id1~0; 592#L292 assume ~mode1~0 % 256 == 0; 516#L293 assume ~id2~0 >= 0; 517#L294 assume ~st2~0 == 0; 572#L295 assume ~send2~0 == ~id2~0; 497#L296 assume ~mode2~0 % 256 == 0; 498#L297 assume ~id3~0 >= 0; 576#L298 assume ~st3~0 == 0; 511#L299 assume ~send3~0 == ~id3~0; 512#L300 assume ~mode3~0 % 256 == 0; 564#L301 assume ~id4~0 >= 0; 565#L302 assume ~st4~0 == 0; 579#L303 assume ~send4~0 == ~id4~0; 538#L304 assume ~mode4~0 % 256 == 0; 539#L305 assume ~id5~0 >= 0; 578#L306 assume ~st5~0 == 0; 509#L307 assume ~send5~0 == ~id5~0; 510#L308 assume ~mode5~0 % 256 == 0; 573#L309 assume ~id1~0 != ~id2~0; 495#L310 assume ~id1~0 != ~id3~0; 496#L311 assume ~id1~0 != ~id4~0; 546#L312 assume ~id1~0 != ~id5~0; 547#L313 assume ~id2~0 != ~id3~0; 591#L314 assume ~id2~0 != ~id4~0; 536#L315 assume ~id2~0 != ~id5~0; 537#L316 assume ~id3~0 != ~id4~0; 577#L317 assume ~id3~0 != ~id5~0; 505#L318 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 506#L287-1 init_#res := init_~tmp~0; 555#L416 main_#t~ret35 := init_#res;assume { :end_inline_init } true;main_~i2~0 := main_#t~ret35;havoc main_#t~ret35;assume main_~i2~0 != 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; 558#L485-3 [2018-11-10 05:03:47,627 INFO L795 eck$LassoCheckResult]: Loop: 558#L485-3 assume true; 566#L485-1 assume !!(main_~i2~0 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite0, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 567#L118 assume !(~mode1~0 % 256 != 0); 522#L136 assume !(~alive1~0 % 256 != 0); 518#L136-2 ~mode1~0 := 1; 519#L118-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite1, node2_#t~ite2, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 531#L150 assume ~mode2~0 % 256 != 0;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 514#L153 assume !(node2_~m2~0 != ~nomsg~0); 513#L153-1 ~mode2~0 := 0; 499#L150-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite3, node3_#t~ite4, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 500#L184 assume ~mode3~0 % 256 != 0;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 593#L187 assume !(node3_~m3~0 != ~nomsg~0); 551#L187-1 ~mode3~0 := 0; 586#L184-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite5, node4_#t~ite6, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 570#L218 assume ~mode4~0 % 256 != 0;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 553#L221 assume !(node4_~m4~0 != ~nomsg~0); 552#L221-1 ~mode4~0 := 0; 534#L218-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite7, node5_#t~ite8, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 492#L252 assume ~mode5~0 % 256 != 0;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 494#L255 assume !(node5_~m5~0 != ~nomsg~0); 504#L255-1 ~mode5~0 := 0; 490#L252-2 assume { :end_inline_node5 } true;~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;assume { :begin_inline_check } true;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 491#L424 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 529#L425 assume ~r1~0 < 5;check_~tmp~1 := 1; 521#L424-1 check_#res := check_~tmp~1; 527#L436 main_#t~ret36 := check_#res;assume { :end_inline_check } true;main_~c1~0 := main_#t~ret36;havoc main_#t~ret36;assume { :begin_inline_assert } true;assert_#in~arg := (if main_~c1~0 == 0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 528#L515 assume !(assert_~arg % 256 == 0); 557#L510 assume { :end_inline_assert } true;main_#t~post37 := main_~i2~0;main_~i2~0 := main_#t~post37 + 1;havoc main_#t~post37; 558#L485-3 [2018-11-10 05:03:47,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,627 INFO L82 PathProgramCache]: Analyzing trace with hash 766937493, now seen corresponding path program 2 times [2018-11-10 05:03:47,627 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,629 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 05:03:47,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:03:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:03:47,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,669 INFO L82 PathProgramCache]: Analyzing trace with hash -187576207, now seen corresponding path program 1 times [2018-11-10 05:03:47,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,671 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 05:03:47,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:03:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:03:47,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:47,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1191119867, now seen corresponding path program 1 times [2018-11-10 05:03:47,690 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:03:47,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:03:47,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:03:47,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:03:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:47,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:03:47,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 05:03:48,001 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2018-11-10 05:03:48,233 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2018-11-10 05:03:48,240 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:03:48,241 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:03:48,241 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:03:48,242 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:03:48,242 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:03:48,242 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:03:48,242 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:03:48,242 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:03:48,242 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 [2018-11-10 05:03:48,242 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:03:48,243 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:03:48,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,711 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:03:48,712 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/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 [2018-11-10 05:03:48,720 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:03:48,720 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6686a498-b922-4c4b-bfaf-af97bd3ace8c/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 [2018-11-10 05:03:48,742 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:03:48,742 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:03:48,856 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 05:03:48,858 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:03:48,858 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:03:48,858 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:03:48,858 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:03:48,858 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:03:48,859 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:03:48,859 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:03:48,859 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:03:48,859 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 [2018-11-10 05:03:48,859 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:03:48,859 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:03:48,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:48,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:03:49,313 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:03:49,317 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:03:49,319 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 [2018-11-10 05:03:49,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,321 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,323 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,326 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,327 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 [2018-11-10 05:03:49,327 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,327 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,329 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:03:49,329 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:03:49,331 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,331 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 [2018-11-10 05:03:49,332 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,332 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,332 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,333 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,333 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,333 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,334 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 [2018-11-10 05:03:49,334 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,336 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:03:49,336 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:03:49,338 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,338 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 [2018-11-10 05:03:49,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,339 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,341 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,342 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 [2018-11-10 05:03:49,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,342 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,343 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,343 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,343 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,344 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 [2018-11-10 05:03:49,344 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,344 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,345 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,345 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,345 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,346 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 [2018-11-10 05:03:49,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,346 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,347 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:03:49,348 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:03:49,349 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,350 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 [2018-11-10 05:03:49,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,350 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,351 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,351 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,351 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,353 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,353 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 [2018-11-10 05:03:49,354 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,354 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:03:49,355 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:03:49,358 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,358 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 [2018-11-10 05:03:49,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,359 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,360 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,360 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,361 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 [2018-11-10 05:03:49,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,361 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,362 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,362 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,363 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 [2018-11-10 05:03:49,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,364 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,364 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,365 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,365 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 [2018-11-10 05:03:49,365 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,366 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,366 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,367 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,367 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 [2018-11-10 05:03:49,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,368 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,368 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,369 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:03:49,369 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 [2018-11-10 05:03:49,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:03:49,369 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:03:49,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:03:49,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:03:49,370 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:03:49,370 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:03:49,370 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:03:49,371 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 05:03:49,374 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 05:03:49,374 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-10 05:03:49,376 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 05:03:49,376 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 05:03:49,376 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 05:03:49,376 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] [2018-11-10 05:03:49,377 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 05:03:49,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:03:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:49,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:03:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:03:49,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:03:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:03:49,474 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 [2018-11-10 05:03:49,475 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 156 transitions. cyclomatic complexity: 45 Second operand 4 states. [2018-11-10 05:03:49,516 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 156 transitions. cyclomatic complexity: 45. Second operand 4 states. Result 188 states and 277 transitions. Complement of second has 6 states. [2018-11-10 05:03:49,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-10 05:03:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 05:03:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 156 transitions. [2018-11-10 05:03:49,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 156 transitions. Stem has 36 letters. Loop has 28 letters. [2018-11-10 05:03:49,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:03:49,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 156 transitions. Stem has 64 letters. Loop has 28 letters. [2018-11-10 05:03:49,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:03:49,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 156 transitions. Stem has 36 letters. Loop has 56 letters. [2018-11-10 05:03:49,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 05:03:49,521 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 277 transitions. [2018-11-10 05:03:49,523 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:03:49,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 0 states and 0 transitions. [2018-11-10 05:03:49,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 05:03:49,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 05:03:49,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 05:03:49,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:03:49,523 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:03:49,523 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:03:49,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:03:49,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:03:49,524 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-10 05:03:49,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:03:49,524 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-10 05:03:49,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:03:49,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-10 05:03:49,524 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:03:49,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:03:49,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 05:03:49,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 05:03:49,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 05:03:49,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 05:03:49,525 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:03:49,525 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:03:49,525 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:03:49,525 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-10 05:03:49,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:03:49,525 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 05:03:49,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 05:03:49,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 05:03:49 BoogieIcfgContainer [2018-11-10 05:03:49,530 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 05:03:49,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:03:49,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:03:49,531 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:03:49,531 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:03:47" (3/4) ... [2018-11-10 05:03:49,533 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:03:49,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:03:49,534 INFO L168 Benchmark]: Toolchain (without parser) took 3380.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 963.0 MB in the beginning and 925.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 269.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:49,534 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:03:49,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.26 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 940.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:49,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -216.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:49,536 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:49,536 INFO L168 Benchmark]: RCFGBuilder took 537.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:49,537 INFO L168 Benchmark]: BuchiAutomizer took 2515.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 925.4 MB in the end (delta: 179.3 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:03:49,537 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.3 GB. Free memory is still 925.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:03:49,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 222.26 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 940.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -216.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 537.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2515.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 925.4 MB in the end (delta: 179.3 MB). Peak memory consumption was 248.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.3 GB. Free memory is still 925.4 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 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. 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 112 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 504 SDtfs, 275 SDslu, 933 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: 4ms 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...